122300251556 has 48 divisors (see below), whose sum is σ = 245840179200. Its totient is φ = 52149058848.

The previous prime is 122300251553. The next prime is 122300251559. The reversal of 122300251556 is 655152003221.

It is an interprime number because it is at equal distance from previous prime (122300251553) and next prime (122300251559).

It is a super-2 number, since 2×122300251556² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122300251553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11174735 + ... + 11185673.

It is an arithmetic number, because the mean of its divisors is an integer number (5121670400).

Almost surely, 2^122300251556 is an apocalyptic number.

It is an amenable number.

122300251556 is an abundant number, since it is smaller than the sum of its proper divisors (123539927644).

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

122300251556 is a wasteful number, since it uses less digits than its factorization.

122300251556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12936 (or 12934 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 122300251556 its reverse (655152003221), we get a palindrome (777452254777).

The spelling of 122300251556 in words is "one hundred twenty-two billion, three hundred million, two hundred fifty-one thousand, five hundred fifty-six".