212202211211112 has 16 divisors (see below), whose sum is σ = 530505528027840. Its totient is φ = 70734070403696.

The previous prime is 212202211211083. The next prime is 212202211211131. The reversal of 212202211211112 is 211112112202212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4420879400208 + ... + 4420879400255.

It is an arithmetic number, because the mean of its divisors is an integer number (33156595501740).

Almost surely, 2^{212202211211112} is an apocalyptic number.

It is an amenable number.

212202211211112 is an abundant number, since it is smaller than the sum of its proper divisors (318303316816728).

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

212202211211112 is a wasteful number, since it uses less digits than its factorization.

212202211211112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8841758800472 (or 8841758800468 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 212202211211112 its reverse (211112112202212), we get a palindrome (423314323413324).

The spelling of 212202211211112 in words is "two hundred twelve trillion, two hundred two billion, two hundred eleven million, two hundred eleven thousand, one hundred twelve".