122111120012 has 24 divisors (see below), whose sum is σ = 245586620160. Its totient is φ = 52040970000.

The previous prime is 122111120011. The next prime is 122111120063. The reversal of 122111120012 is 210021111221.

It is a super-2 number, since 2×122111120012² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (122111120011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12176864 + ... + 12186887.

It is an arithmetic number, because the mean of its divisors is an integer number (10232775840).

Almost surely, 2^122111120012 is an apocalyptic number.

It is an amenable number.

122111120012 is an abundant number, since it is smaller than the sum of its proper divisors (123475500148).

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

122111120012 is a wasteful number, since it uses less digits than its factorization.

122111120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24363941 (or 24363939 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 122111120012 its reverse (210021111221), we get a palindrome (332132231233).

The spelling of 122111120012 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred twenty thousand, twelve".