12251225305 has 32 divisors (see below), whose sum is σ = 16752303360. Its totient is φ = 8519105280.

The previous prime is 12251225257. The next prime is 12251225341. The reversal of 12251225305 is 50352215221.

It is not a de Polignac number, because 12251225305 - 2²⁷ = 12117007577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126999 + ... + 201571.

It is an arithmetic number, because the mean of its divisors is an integer number (523509480).

Almost surely, 2^12251225305 is an apocalyptic number.

It is an amenable number.

12251225305 is a deficient number, since it is larger than the sum of its proper divisors (4501078055).

12251225305 is a wasteful number, since it uses less digits than its factorization.

12251225305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74721.

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 12251225305 in words is "twelve billion, two hundred fifty-one million, two hundred twenty-five thousand, three hundred five".