122547421252 has 24 divisors (see below), whose sum is σ = 214892496000. Its totient is φ = 61149680256.

The previous prime is 122547421223. The next prime is 122547421261. The reversal of 122547421252 is 252124745221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4620124 + ... + 4646572.

It is an arithmetic number, because the mean of its divisors is an integer number (8953854000).

Almost surely, 2^122547421252 is an apocalyptic number.

It is an amenable number.

122547421252 is a deficient number, since it is larger than the sum of its proper divisors (92345074748).

122547421252 is a wasteful number, since it uses less digits than its factorization.

122547421252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28755 (or 28753 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The spelling of 122547421252 in words is "one hundred twenty-two billion, five hundred forty-seven million, four hundred twenty-one thousand, two hundred fifty-two".