12651847851331 has 4 divisors (see below), whose sum is σ = 13625066916832. Its totient is φ = 11678628785832.

The previous prime is 12651847851317. The next prime is 12651847851337. The reversal of 12651847851331 is 13315874815621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12651847851331 - 2⁹ = 12651847850819 is a prime.

It is a super-2 number, since 2×12651847851331² (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 (12651847851337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 486609532731 + ... + 486609532756.

It is an arithmetic number, because the mean of its divisors is an integer number (3406266729208).

Almost surely, 2^{12651847851331} is an apocalyptic number.

12651847851331 is a deficient number, since it is larger than the sum of its proper divisors (973219065501).

12651847851331 is an equidigital number, since it uses as much as digits as its factorization.

12651847851331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973219065500.

The product of its digits is 4838400, while the sum is 55.

The spelling of 12651847851331 in words is "twelve trillion, six hundred fifty-one billion, eight hundred forty-seven million, eight hundred fifty-one thousand, three hundred thirty-one".