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212201405112 = 23336372431049
BaseRepresentation
bin1100010110100000110…
…0000111101010111000
3202021201200101021201110
43011220030013222320
511434042024430422
6241252312320320
721221356116444
oct3055014075270
9667650337643
10212201405112
1181aa3185484
12351619a30a0
131701a110708
14a3b0769824
1557be72a60c
hex3168307ab8

212201405112 has 32 divisors (see below), whose sum is σ = 530649594000. Its totient is φ = 70714324224.

The previous prime is 212201405069. The next prime is 212201405137. The reversal of 212201405112 is 211504102212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128237 + ... + 1302812.

Almost surely, 2212201405112 is an apocalyptic number.

It is an amenable number.

212201405112 is an abundant number, since it is smaller than the sum of its proper divisors (318448188888).

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

212201405112 is a wasteful number, since it uses less digits than its factorization.

212201405112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434695 (or 2434691 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 212201405112 its reverse (211504102212), we get a palindrome (423705507324).

The spelling of 212201405112 in words is "two hundred twelve billion, two hundred one million, four hundred five thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 3637 7274 10911 14548 21822 29096 43644 87288 2431049 4862098 7293147 9724196 14586294 19448392 29172588 58345176 8841725213 17683450426 26525175639 35366900852 53050351278 70733801704 106100702556 212201405112