212012112112010 has 64 divisors (see below), whose sum is σ = 451483587569664. Its totient is φ = 70145754624000.

The previous prime is 212012112111941. The next prime is 212012112112013. The reversal of 212012112112010 is 10211211210212.

It is a self number, because there is not a number n which added to its sum of digits gives 212012112112010.

It is not an unprimeable number, because it can be changed into a prime (212012112112013) 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, 137621291 + ... + 139153310.

It is an arithmetic number, because the mean of its divisors is an integer number (7054431055776).

Almost surely, 2^{212012112112010} is an apocalyptic number.

212012112112010 is an abundant number, since it is smaller than the sum of its proper divisors (239471475457654).

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

212012112112010 is a wasteful number, since it uses less digits than its factorization.

212012112112010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276774999.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212012112112010 its reverse (10211211210212), we get a palindrome (222223323322222).

The spelling of 212012112112010 in words is "two hundred twelve trillion, twelve billion, one hundred twelve million, one hundred twelve thousand, ten".