12504554131 has 4 divisors (see below), whose sum is σ = 12544000992. Its totient is φ = 12465107272.

The previous prime is 12504554089. The next prime is 12504554137. The reversal of 12504554131 is 13145540521.

12504554131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12504554131 - 2¹³ = 12504545939 is a prime.

It is a super-2 number, since 2×12504554131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12504554093 and 12504554102.

It is not an unprimeable number, because it can be changed into a prime (12504554137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19722955 + ... + 19723588.

It is an arithmetic number, because the mean of its divisors is an integer number (3136000248).

Almost surely, 2^12504554131 is an apocalyptic number.

12504554131 is a deficient number, since it is larger than the sum of its proper divisors (39446861).

12504554131 is an equidigital number, since it uses as much as digits as its factorization.

12504554131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39446860.

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 12504554131 in words is "twelve billion, five hundred four million, five hundred fifty-four thousand, one hundred thirty-one".