122556120264 has 48 divisors (see below), whose sum is σ = 346354257600. Its totient is φ = 39075863904.

The previous prime is 122556120259. The next prime is 122556120289. The reversal of 122556120264 is 462021655221.

122556120264 is a `hidden beast` number, since 1 + 22 + 556 + 1 + 20 + 2 + 64 = 666.

It is a super-2 number, since 2×122556120264² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37002004 + ... + 37005315.

It is an arithmetic number, because the mean of its divisors is an integer number (7215713700).

Almost surely, 2^122556120264 is an apocalyptic number.

It is an amenable number.

122556120264 is an abundant number, since it is smaller than the sum of its proper divisors (223798137336).

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

122556120264 is a wasteful number, since it uses less digits than its factorization.

122556120264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74007354 (or 74007347 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 122556120264 its reverse (462021655221), we get a palindrome (584577775485).

The spelling of 122556120264 in words is "one hundred twenty-two billion, five hundred fifty-six million, one hundred twenty thousand, two hundred sixty-four".