12455196172864 has 63 divisors (see below), whose sum is σ = 24963897233523. Its totient is φ = 6165696058752.

The previous prime is 12455196172823. The next prime is 12455196172891. The reversal of 12455196172864 is 46827169155421.

The square root of 12455196172864 is 3529192.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2908052067 + ... + 2908056349.

Almost surely, 2^{12455196172864} is an apocalyptic number.

12455196172864 is the 3529192-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12455196172864

12455196172864 is an abundant number, since it is smaller than the sum of its proper divisors (12508701060659).

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

12455196172864 is an frugal number, since it uses more digits than its factorization.

12455196172864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8784 (or 4388 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 61.

The spelling of 12455196172864 in words is "twelve trillion, four hundred fifty-five billion, one hundred ninety-six million, one hundred seventy-two thousand, eight hundred sixty-four".