122400552434225 has 12 divisors (see below), whose sum is σ = 163451814635676. Its totient is φ = 90388100258880.

The previous prime is 122400552434221. The next prime is 122400552434249. The reversal of 122400552434225 is 522434255004221.

It can be written as a sum of positive squares in 6 ways, for example, as 2323402081441 + 120077150352784 = 1524271^2 + 10957972^2 .

It is not a de Polignac number, because 122400552434225 - 2² = 122400552434221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122400552434221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 188308541882 + ... + 188308542531.

It is an arithmetic number, because the mean of its divisors is an integer number (13620984552973).

Almost surely, 2^{122400552434225} is an apocalyptic number.

It is an amenable number.

122400552434225 is a deficient number, since it is larger than the sum of its proper divisors (41051262201451).

122400552434225 is a wasteful number, since it uses less digits than its factorization.

122400552434225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376617084436 (or 376617084431 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 41.

The spelling of 122400552434225 in words is "one hundred twenty-two trillion, four hundred billion, five hundred fifty-two million, four hundred thirty-four thousand, two hundred twenty-five".