12568045980736 has 63 divisors (see below), whose sum is σ = 25017793761493. Its totient is φ = 6264411253760.

The previous prime is 12568045980713. The next prime is 12568045980761. The reversal of 12568045980736 is 63708954086521.

The square root of 12568045980736 is 3545144.

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

It can be written as a sum of positive squares in only one way, i.e., 2204797340736 + 10363248640000 = 1484856^2 + 3219200^2 .

It is a Harshad number since it is a multiple of its sum of digits (64).

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, 14265659016 + ... + 14265659896.

It is a 1-persistent number, because it is pandigital, but 2⋅12568045980736 = 25136091961472 is not.

Almost surely, 2^{12568045980736} is an apocalyptic number.

12568045980736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

12568045980736 is the 3545144-th square number.

It is an amenable number.

12568045980736 is a deficient number, since it is larger than the sum of its proper divisors (12449747780757).

12568045980736 is an frugal number, since it uses more digits than its factorization.

12568045980736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 64.

Multiplying 12568045980736 by its sum of digits (64), we get a square (804354942767104 = 28361152²).

12568045980736 divided by its sum of digits (64) gives a square (196375718449 = 443143²).

The spelling of 12568045980736 in words is "twelve trillion, five hundred sixty-eight billion, forty-five million, nine hundred eighty thousand, seven hundred thirty-six".