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121330331032212 = 22333674576698281
BaseRepresentation
bin11011100101100101101011…
…010010000001101010010100
3120220121001210101022120101000
4123211211223102001222110
5111400334004221012322
61110014215023503300
734361553465322101
oct3345455322015224
9526531711276330
10121330331032212
11357289a4879875
121173676a457b30
13529152a360a43
1421d65c29d3aa8
15e061312933ac
hex6e596b481a94

121330331032212 has 96 divisors (see below), whose sum is σ = 316107467594240. Its totient is φ = 40244980999680.

The previous prime is 121330331032201. The next prime is 121330331032219. The reversal of 121330331032212 is 212230133033121.

121330331032212 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 3 + 0 + 331 + 0 + 322 + 1 + 2 = 666.

It is a super-2 number, since 2×1213303310322122 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121330331032219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14764512 + ... + 21462792.

Almost surely, 2121330331032212 is an apocalyptic number.

121330331032212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121330331032212 is an abundant number, since it is smaller than the sum of its proper divisors (194777136562028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121330331032212 is a wasteful number, since it uses less digits than its factorization.

121330331032212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6699118 (or 6699110 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 121330331032212 its reverse (212230133033121), we get a palindrome (333560464065333).

The spelling of 121330331032212 in words is "one hundred twenty-one trillion, three hundred thirty billion, three hundred thirty-one million, thirty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 367 457 734 914 1101 1371 1468 1828 2202 2742 3303 4113 4404 5484 6606 8226 9909 12339 13212 16452 19818 24678 39636 49356 167719 335438 503157 670876 1006314 1509471 2012628 3018942 4528413 6037884 6698281 9056826 13396562 18113652 20094843 26793124 40189686 60284529 80379372 120569058 180853587 241138116 361707174 723414348 2458269127 3061114417 4916538254 6122228834 7374807381 9183343251 9833076508 12244457668 14749614762 18366686502 22124422143 27550029753 29499229524 36733373004 44248844286 55100059506 66373266429 82650089259 88497688572 110200119012 132746532858 165300178518 265493065716 330600357036 1123428991039 2246857982078 3370286973117 4493715964156 6740573946234 10110860919351 13481147892468 20221721838702 30332582758053 40443443677404 60665165516106 121330331032212