12549263740036 has 81 divisors (see below), whose sum is σ = 24113037635631. Its totient is φ = 5713334323200.

The previous prime is 12549263740009. The next prime is 12549263740043. The reversal of 12549263740036 is 63004736294521.

The square root of 12549263740036 is 3542494.

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

It can be written as a sum of positive squares in 4 ways, for example, as 3511688602500 + 9037575137536 = 1873950^2 + 3006256^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3733786996 + ... + 3733790356.

Almost surely, 2^{12549263740036} is an apocalyptic number.

12549263740036 is the 3542494-th square number.

It is an amenable number.

12549263740036 is a deficient number, since it is larger than the sum of its proper divisors (11563773895595).

12549263740036 is an frugal number, since it uses more digits than its factorization.

12549263740036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6822 (or 3411 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 12549263740036 in words is "twelve trillion, five hundred forty-nine billion, two hundred sixty-three million, seven hundred forty thousand, thirty-six".