12542698844 has 48 divisors (see below), whose sum is σ = 24625369440. Its totient is φ = 5551964160.

The previous prime is 12542698843. The next prime is 12542698877. The reversal of 12542698844 is 44889624521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12542698841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75932 + ... + 175644.

It is an arithmetic number, because the mean of its divisors is an integer number (513028530).

Almost surely, 2^12542698844 is an apocalyptic number.

It is an amenable number.

12542698844 is a deficient number, since it is larger than the sum of its proper divisors (12082670596).

12542698844 is a wasteful number, since it uses less digits than its factorization.

12542698844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99830 (or 99828 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 53.

The spelling of 12542698844 in words is "twelve billion, five hundred forty-two million, six hundred ninety-eight thousand, eight hundred forty-four".