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102212021212120 = 23517914275421957
BaseRepresentation
bin10111001111011000010111…
…001101110101001111011000
3111101220101002111110220122201
4113033120113031311033120
5101344120204412241440
61001215315422055544
730346401112206061
oct2717302715651730
9441811074426581
10102212021212120
112a627969348806
12b56945b11a5b4
13450572437a041
141b35134123568
15bc3b8128219a
hex5cf6173753d8

102212021212120 has 32 divisors (see below), whose sum is σ = 231261835719600. Its totient is φ = 40656401730688.

The previous prime is 102212021212109. The next prime is 102212021212127. The reversal of 102212021212120 is 21212120212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212021212127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7137703819 + ... + 7137718138.

Almost surely, 2102212021212120 is an apocalyptic number.

102212021212120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102212021212120 is an abundant number, since it is smaller than the sum of its proper divisors (129049814507480).

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

102212021212120 is a wasteful number, since it uses less digits than its factorization.

102212021212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14275422147 (or 14275422143 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 102212021212120 its reverse (21212120212201), we get a palindrome (123424141424321).

The spelling of 102212021212120 in words is "one hundred two trillion, two hundred twelve billion, twenty-one million, two hundred twelve thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 179 358 716 895 1432 1790 3580 7160 14275421957 28550843914 57101687828 71377109785 114203375656 142754219570 285508439140 571016878280 2555300530303 5110601060606 10221202121212 12776502651515 20442404242424 25553005303030 51106010606060 102212021212120