121022211212 has 24 divisors (see below), whose sum is σ = 242071700640. Its totient is φ = 51860816640.

The previous prime is 121022211203. The next prime is 121022211239. The reversal of 121022211212 is 212112220121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14114 + ... + 492182.

It is an arithmetic number, because the mean of its divisors is an integer number (10086320860).

Almost surely, 2^121022211212 is an apocalyptic number.

It is an amenable number.

121022211212 is an abundant number, since it is smaller than the sum of its proper divisors (121049489428).

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

121022211212 is a wasteful number, since it uses less digits than its factorization.

121022211212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487121 (or 487119 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 121022211212 its reverse (212112220121), we get a palindrome (333134431333).

The spelling of 121022211212 in words is "one hundred twenty-one billion, twenty-two million, two hundred eleven thousand, two hundred twelve".