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212331030212 = 22729325881403
BaseRepresentation
bin1100010110111111101…
…0100110011011000100
3202022001201021220221002
43011233322212123010
511434323220431322
6241313222512432
721224521656260
oct3055772463304
9668051256832
10212331030212
118205a370764
1235199295718
131703ac27662
14a3c3a6d0a0
1557cacd2c92
hex316fea66c4

212331030212 has 24 divisors (see below), whose sum is σ = 426111435456. Its totient is φ = 90688432608.

The previous prime is 212331030211. The next prime is 212331030271. The reversal of 212331030212 is 212030133212.

Adding to 212331030212 its reverse (212030133212), we get a palindrome (424361163424).

It is not an unprimeable number, because it can be changed into a prime (212331030211) 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, 12932498 + ... + 12948905.

It is an arithmetic number, because the mean of its divisors is an integer number (17754643144).

Almost surely, 2212331030212 is an apocalyptic number.

It is an amenable number.

212331030212 is an abundant number, since it is smaller than the sum of its proper divisors (213780405244).

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

212331030212 is a wasteful number, since it uses less digits than its factorization.

212331030212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25881707 (or 25881705 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The spelling of 212331030212 in words is "two hundred twelve billion, three hundred thirty-one million, thirty thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 293 586 1172 2051 4102 8204 25881403 51762806 103525612 181169821 362339642 724679284 7583251079 15166502158 30333004316 53082757553 106165515106 212331030212