122400324012 has 24 divisors (see below), whose sum is σ = 295449058800. Its totient is φ = 39393207616.

The previous prime is 122400323993. The next prime is 122400324043. The reversal of 122400324012 is 210423004221.

It is a super-2 number, since 2×122400324012² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122400324012.

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, 175862187 + ... + 175862882.

It is an arithmetic number, because the mean of its divisors is an integer number (12310377450).

Almost surely, 2^122400324012 is an apocalyptic number.

122400324012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122400324012 is an abundant number, since it is smaller than the sum of its proper divisors (173048734788).

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

122400324012 is a wasteful number, since it uses less digits than its factorization.

122400324012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351725105 (or 351725103 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 122400324012 its reverse (210423004221), we get a palindrome (332823328233).

The spelling of 122400324012 in words is "one hundred twenty-two billion, four hundred million, three hundred twenty-four thousand, twelve".