122221021112012 has 24 divisors (see below), whose sum is σ = 214169541432000. Its totient is φ = 61029726990336.

The previous prime is 122221021111997. The next prime is 122221021112027. The reversal of 122221021112012 is 210211120122221.

It is an interprime number because it is at equal distance from previous prime (122221021111997) and next prime (122221021112027).

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, 150932318 + ... + 151739930.

It is an arithmetic number, because the mean of its divisors is an integer number (8923730893000).

Almost surely, 2^{122221021112012} is an apocalyptic number.

It is an amenable number.

122221021112012 is a deficient number, since it is larger than the sum of its proper divisors (91948520319988).

122221021112012 is a wasteful number, since it uses less digits than its factorization.

122221021112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857585 (or 857583 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 122221021112012 its reverse (210211120122221), we get a palindrome (332432141234233).

The spelling of 122221021112012 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, twenty-one million, one hundred twelve thousand, twelve".