212112112011 has 32 divisors (see below), whose sum is σ = 310792416000. Its totient is φ = 128159273088.

The previous prime is 212112111977. The next prime is 212112112033. The reversal of 212112112011 is 110211211212.

It is a happy number.

It is not a de Polignac number, because 212112112011 - 2²⁹ = 211575241099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212112112061) 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, 408445 + ... + 768798.

It is an arithmetic number, because the mean of its divisors is an integer number (9712263000).

Almost surely, 2^212112112011 is an apocalyptic number.

212112112011 is a deficient number, since it is larger than the sum of its proper divisors (98680303989).

212112112011 is a wasteful number, since it uses less digits than its factorization.

212112112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177403.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212112112011 its reverse (110211211212), we get a palindrome (322323323223).

The spelling of 212112112011 in words is "two hundred twelve billion, one hundred twelve million, one hundred twelve thousand, eleven".