122572390005 has 48 divisors (see below), whose sum is σ = 228834483696. Its totient is φ = 60334709760.

The previous prime is 122572390001. The next prime is 122572390007. The reversal of 122572390005 is 500093275221.

122572390005 is a `hidden beast` number, since 12 + 257 + 2 + 390 + 0 + 0 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 5185296081 + 117387093924 = 72009^2 + 342618^2 .

It is not a de Polignac number, because 122572390005 - 2² = 122572390001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122572390001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6519799 + ... + 6538571.

It is an arithmetic number, because the mean of its divisors is an integer number (4767385077).

Almost surely, 2^122572390005 is an apocalyptic number.

122572390005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122572390005 is a deficient number, since it is larger than the sum of its proper divisors (106262093691).

122572390005 is a wasteful number, since it uses less digits than its factorization.

122572390005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29958 (or 29955 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 122572390005 in words is "one hundred twenty-two billion, five hundred seventy-two million, three hundred ninety thousand, five".