122520003112400 has 60 divisors (see below), whose sum is σ = 295833475044000. Its totient is φ = 48761729850240.

The previous prime is 122520003112391. The next prime is 122520003112411. The reversal of 122520003112400 is 4211300025221.

It is a super-2 number, since 2×122520003112400² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 769518410 + ... + 769677609.

It is an arithmetic number, because the mean of its divisors is an integer number (4930557917400).

Almost surely, 2^{122520003112400} is an apocalyptic number.

122520003112400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122520003112400 is an abundant number, since it is smaller than the sum of its proper divisors (173313471931600).

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

122520003112400 is a wasteful number, since it uses less digits than its factorization.

122520003112400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539196236 (or 1539196225 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 122520003112400 its reverse (4211300025221), we get a palindrome (126731303137621).

The spelling of 122520003112400 in words is "one hundred twenty-two trillion, five hundred twenty billion, three million, one hundred twelve thousand, four hundred".