12251759649 has 8 divisors (see below), whose sum is σ = 16715579232. Its totient is φ = 7977889920.

The previous prime is 12251759633. The next prime is 12251759701. The reversal of 12251759649 is 94695715221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12251759649 - 2⁴ = 12251759633 is a prime.

It is a super-2 number, since 2×12251759649² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12251759629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47487312 + ... + 47487569.

It is an arithmetic number, because the mean of its divisors is an integer number (2089447404).

Almost surely, 2^12251759649 is an apocalyptic number.

It is an amenable number.

12251759649 is a deficient number, since it is larger than the sum of its proper divisors (4463819583).

12251759649 is an equidigital number, since it uses as much as digits as its factorization.

12251759649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94974927.

The product of its digits is 1360800, while the sum is 51.

The spelling of 12251759649 in words is "twelve billion, two hundred fifty-one million, seven hundred fifty-nine thousand, six hundred forty-nine".