12044512542 has 16 divisors (see below), whose sum is σ = 24740080272. Its totient is φ = 3906328320.

The previous prime is 12044512537. The next prime is 12044512567. The reversal of 12044512542 is 24521544021.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27127059 + ... + 27127502.

It is an arithmetic number, because the mean of its divisors is an integer number (1546255017).

Almost surely, 2^12044512542 is an apocalyptic number.

12044512542 is an abundant number, since it is smaller than the sum of its proper divisors (12695567730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12044512542 is a wasteful number, since it uses less digits than its factorization.

12044512542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54254603.

The product of its (nonzero) digits is 12800, while the sum is 30.

The spelling of 12044512542 in words is "twelve billion, forty-four million, five hundred twelve thousand, five hundred forty-two".