212212120102122 has 32 divisors (see below), whose sum is σ = 488268567742464. Its totient is φ = 60230497662000.

The previous prime is 212212120102111. The next prime is 212212120102181. The reversal of 212212120102122 is 221201021212212.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 16730687454 + ... + 16730700137.

It is an arithmetic number, because the mean of its divisors is an integer number (15258392741952).

Almost surely, 2^{212212120102122} is an apocalyptic number.

212212120102122 is an abundant number, since it is smaller than the sum of its proper divisors (276056447640342).

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

212212120102122 is a wasteful number, since it uses less digits than its factorization.

212212120102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33461387754.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212212120102122 its reverse (221201021212212), we get a palindrome (433413141314334).

The spelling of 212212120102122 in words is "two hundred twelve trillion, two hundred twelve billion, one hundred twenty million, one hundred two thousand, one hundred twenty-two".