212202121012122 has 32 divisors (see below), whose sum is σ = 424553113926144. Its totient is φ = 70709231860400.

The previous prime is 212202121012109. The next prime is 212202121012213. The reversal of 212202121012122 is 221210121202212.

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, 245648497 + ... + 246510827.

It is an arithmetic number, because the mean of its divisors is an integer number (13267284810192).

Almost surely, 2^{212202121012122} is an apocalyptic number.

212202121012122 is an abundant number, since it is smaller than the sum of its proper divisors (212350992914022).

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

212202121012122 is a wasteful number, since it uses less digits than its factorization.

212202121012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876674.

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

Adding to 212202121012122 its reverse (221210121202212), we get a palindrome (433412242214334).

The spelling of 212202121012122 in words is "two hundred twelve trillion, two hundred two billion, one hundred twenty-one million, twelve thousand, one hundred twenty-two".