122400552434155 has 16 divisors (see below), whose sum is σ = 148740493334400. Its totient is φ = 96680564697600.

The previous prime is 122400552434129. The next prime is 122400552434189. The reversal of 122400552434155 is 551434255004221.

It is not a de Polignac number, because 122400552434155 - 2⁵ = 122400552434123 is a prime.

It is a super-2 number, since 2×122400552434155² (a number of 29 digits) contains 22 as substring.

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, 144498855 + ... + 145343455.

It is an arithmetic number, because the mean of its divisors is an integer number (9296280833400).

Almost surely, 2^{122400552434155} is an apocalyptic number.

122400552434155 is a deficient number, since it is larger than the sum of its proper divisors (26339940900245).

122400552434155 is an equidigital number, since it uses as much as digits as its factorization.

122400552434155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211574.

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 122400552434155 in words is "one hundred twenty-two trillion, four hundred billion, five hundred fifty-two million, four hundred thirty-four thousand, one hundred fifty-five".