121122202112212 has 96 divisors (see below), whose sum is σ = 263567130624000. Its totient is φ = 47551395565440.

The previous prime is 121122202112179. The next prime is 121122202112227. The reversal of 121122202112212 is 212211202221121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29715412 + ... + 33544747.

It is an arithmetic number, because the mean of its divisors is an integer number (2745490944000).

Almost surely, 2^{121122202112212} is an apocalyptic number.

It is an amenable number.

121122202112212 is an abundant number, since it is smaller than the sum of its proper divisors (142444928511788).

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

121122202112212 is a wasteful number, since it uses less digits than its factorization.

121122202112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63260309 (or 63260307 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 121122202112212 its reverse (212211202221121), we get a palindrome (333333404333333).

The spelling of 121122202112212 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, two hundred two million, one hundred twelve thousand, two hundred twelve".