12577902225569 has 4 divisors (see below), whose sum is σ = 12870411579696. Its totient is φ = 12285392871444.

The previous prime is 12577902225547. The next prime is 12577902225593. The reversal of 12577902225569 is 96552220977521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12577902225569 is a prime.

It is a super-2 number, since 2×12577902225569² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12577902225269) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 146254676999 + ... + 146254677084.

It is an arithmetic number, because the mean of its divisors is an integer number (3217602894924).

Almost surely, 2^{12577902225569} is an apocalyptic number.

It is an amenable number.

12577902225569 is a deficient number, since it is larger than the sum of its proper divisors (292509354127).

12577902225569 is an equidigital number, since it uses as much as digits as its factorization.

12577902225569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292509354126.

The product of its (nonzero) digits is 47628000, while the sum is 62.

The spelling of 12577902225569 in words is "twelve trillion, five hundred seventy-seven billion, nine hundred two million, two hundred twenty-five thousand, five hundred sixty-nine".