12504255542 has 16 divisors (see below), whose sum is σ = 19367119872. Its totient is φ = 6048667560.

The previous prime is 12504255541. The next prime is 12504255557. The reversal of 12504255542 is 24555240521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504255541) 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 7 ways as a sum of consecutive naturals, for example, 196793 + ... + 252459.

It is an arithmetic number, because the mean of its divisors is an integer number (1210444992).

Almost surely, 2^12504255542 is an apocalyptic number.

12504255542 is a deficient number, since it is larger than the sum of its proper divisors (6862864330).

12504255542 is a wasteful number, since it uses less digits than its factorization.

12504255542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59323.

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 12504255542 in words is "twelve billion, five hundred four million, two hundred fifty-five thousand, five hundred forty-two".