210211122112212 has 48 divisors (see below), whose sum is σ = 528244281734400. Its totient is φ = 64677717257088.

The previous prime is 210211122112183. The next prime is 210211122112261. The reversal of 210211122112212 is 212211221112012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23521587 + ... + 31203962.

It is an arithmetic number, because the mean of its divisors is an integer number (11005089202800).

Almost surely, 2^{210211122112212} is an apocalyptic number.

It is an amenable number.

210211122112212 is an abundant number, since it is smaller than the sum of its proper divisors (318033159622188).

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

210211122112212 is a wasteful number, since it uses less digits than its factorization.

210211122112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54750192 (or 54750190 counting only the distinct ones).

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

Adding to 210211122112212 its reverse (212211221112012), we get a palindrome (422422343224224).

The spelling of 210211122112212 in words is "two hundred ten trillion, two hundred eleven billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twelve".