122112022100012 has 12 divisors (see below), whose sum is σ = 244224044200080. Its totient is φ = 52333723757136.

The previous prime is 122112022099961. The next prime is 122112022100023. The reversal of 122112022100012 is 210001220211221.

122112022100012 is an admirable number.

It is a super-2 number, since 2×122112022100012² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2180571823187 + ... + 2180571823242.

It is an arithmetic number, because the mean of its divisors is an integer number (20352003683340).

Almost surely, 2^{122112022100012} is an apocalyptic number.

It is an amenable number.

122112022100012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

122112022100012 is a wasteful number, since it uses less digits than its factorization.

122112022100012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361143646440 (or 4361143646438 counting only the distinct ones).

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

Adding to 122112022100012 its reverse (210001220211221), we get a palindrome (332113242311233).

The spelling of 122112022100012 in words is "one hundred twenty-two trillion, one hundred twelve billion, twenty-two million, one hundred thousand, twelve".