12279452682025 has 27 divisors (see below), whose sum is σ = 15445564650039. Its totient is φ = 9684220938000.

The previous prime is 12279452681953. The next prime is 12279452682043. The reversal of 12279452682025 is 52028625497221.

The square root of 12279452682025 is 3504205.

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., 4420602965529 + 7858849716496 = 2102523^2 + 2803364^2 .

It is not a de Polignac number, because 12279452682025 - 2¹⁵ = 12279452649257 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1243987840 + ... + 1243997710.

Almost surely, 2^{12279452682025} is an apocalyptic number.

12279452682025 is the 3504205-th square number.

12279452682025 is the 1752103-rd centered octagonal number.

It is an amenable number.

12279452682025 is a deficient number, since it is larger than the sum of its proper divisors (3166111968014).

12279452682025 is an frugal number, since it uses more digits than its factorization.

12279452682025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19894 (or 9947 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 12279452682025 in words is "twelve trillion, two hundred seventy-nine billion, four hundred fifty-two million, six hundred eighty-two thousand, twenty-five".