12751491412 has 24 divisors (see below), whose sum is σ = 24489541440. Its totient is φ = 5761421760.

The previous prime is 12751491383. The next prime is 12751491469. The reversal of 12751491412 is 21419415721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860337 + ... + 875032.

It is an arithmetic number, because the mean of its divisors is an integer number (1020397560).

Almost surely, 2^12751491412 is an apocalyptic number.

It is an amenable number.

12751491412 is a deficient number, since it is larger than the sum of its proper divisors (11738050028).

12751491412 is a wasteful number, since it uses less digits than its factorization.

12751491412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735551 (or 1735549 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The spelling of 12751491412 in words is "twelve billion, seven hundred fifty-one million, four hundred ninety-one thousand, four hundred twelve".