12251896847 has 4 divisors (see below), whose sum is σ = 12275323560. Its totient is φ = 12228470136.

The previous prime is 12251896843. The next prime is 12251896859. The reversal of 12251896847 is 74869815221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74869815221 = 59 ⋅1268979919.

It is a cyclic number.

It is not a de Polignac number, because 12251896847 - 2² = 12251896843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251896843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11712572 + ... + 11713617.

It is an arithmetic number, because the mean of its divisors is an integer number (3068830890).

Almost surely, 2^12251896847 is an apocalyptic number.

12251896847 is a deficient number, since it is larger than the sum of its proper divisors (23426713).

12251896847 is an equidigital number, since it uses as much as digits as its factorization.

12251896847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23426712.

The product of its digits is 1935360, while the sum is 53.

The spelling of 12251896847 in words is "twelve billion, two hundred fifty-one million, eight hundred ninety-six thousand, eight hundred forty-seven".