122556664572 has 24 divisors (see below), whose sum is σ = 286784946000. Its totient is φ = 40735165056.

The previous prime is 122556664553. The next prime is 122556664591. The reversal of 122556664572 is 275466655221.

It is an interprime number because it is at equal distance from previous prime (122556664553) and next prime (122556664591).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 14627697 + ... + 14636072.

It is an arithmetic number, because the mean of its divisors is an integer number (11949372750).

Almost surely, 2^122556664572 is an apocalyptic number.

122556664572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

122556664572 is an abundant number, since it is smaller than the sum of its proper divisors (164228281428).

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

122556664572 is a wasteful number, since it uses less digits than its factorization.

122556664572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29264125 (or 29264123 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 51.

The spelling of 122556664572 in words is "one hundred twenty-two billion, five hundred fifty-six million, six hundred sixty-four thousand, five hundred seventy-two".