122131867472 has 10 divisors (see below), whose sum is σ = 236630493258. Its totient is φ = 61065933728.

The previous prime is 122131867463. The next prime is 122131867537. The reversal of 122131867472 is 274768131221.

It can be written as a sum of positive squares in only one way, i.e., 110652030736 + 11479836736 = 332644^2 + 107144^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3816620843 + ... + 3816620874.

Almost surely, 2^122131867472 is an apocalyptic number.

It is an amenable number.

122131867472 is a deficient number, since it is larger than the sum of its proper divisors (114498625786).

122131867472 is an equidigital number, since it uses as much as digits as its factorization.

122131867472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7633241725 (or 7633241719 counting only the distinct ones).

The product of its digits is 225792, while the sum is 44.

Adding to 122131867472 its reverse (274768131221), we get a palindrome (396899998693).

The spelling of 122131867472 in words is "one hundred twenty-two billion, one hundred thirty-one million, eight hundred sixty-seven thousand, four hundred seventy-two".