12751964189642 has 32 divisors (see below), whose sum is σ = 19732140892992. Its totient is φ = 6178169821824.

The previous prime is 12751964189609. The next prime is 12751964189663. The reversal of 12751964189642 is 24698146915721.

12751964189642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12751964189642² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1901213 + ... + 5396159.

It is an arithmetic number, because the mean of its divisors is an integer number (616629402906).

Almost surely, 2^{12751964189642} is an apocalyptic number.

12751964189642 is a deficient number, since it is larger than the sum of its proper divisors (6980176703350).

12751964189642 is a wasteful number, since it uses less digits than its factorization.

12751964189642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495462.

The product of its digits is 52254720, while the sum is 65.

The spelling of 12751964189642 in words is "twelve trillion, seven hundred fifty-one billion, nine hundred sixty-four million, one hundred eighty-nine thousand, six hundred forty-two".