122011110012 has 48 divisors (see below), whose sum is σ = 318148717824. Its totient is φ = 36071280000.

The previous prime is 122011109999. The next prime is 122011110041. The reversal of 122011110012 is 210011110221.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 122011110012.

It is a congruent number.

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, 11266864 + ... + 11277687.

It is an arithmetic number, because the mean of its divisors is an integer number (6628098288).

Almost surely, 2^122011110012 is an apocalyptic number.

122011110012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122011110012 is an abundant number, since it is smaller than the sum of its proper divisors (196137607812).

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

122011110012 is a wasteful number, since it uses less digits than its factorization.

122011110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22544610 (or 22544608 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122011110012 its reverse (210011110221), we get a palindrome (332022220233).

The spelling of 122011110012 in words is "one hundred twenty-two billion, eleven million, one hundred ten thousand, twelve".