12385697726224 has 45 divisors (see below), whose sum is σ = 25327326002727. Its totient is φ = 5866782753312.

The previous prime is 12385697726117. The next prime is 12385697726251. The reversal of 12385697726224 is 42262779658321.

The square root of 12385697726224 is 3519332.

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

12385697726224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 267446079 + ... + 267492385.

Almost surely, 2^{12385697726224} is an apocalyptic number.

12385697726224 is the 3519332-nd square number.

It is an amenable number.

12385697726224 is an abundant number, since it is smaller than the sum of its proper divisors (12941628276503).

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

12385697726224 is an frugal number, since it uses more digits than its factorization.

12385697726224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92660 (or 46328 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 64.

Multiplying 12385697726224 by its sum of digits (64), we get a square (792684654478336 = 28154656²).

The spelling of 12385697726224 in words is "twelve trillion, three hundred eighty-five billion, six hundred ninety-seven million, seven hundred twenty-six thousand, two hundred twenty-four".