12504451506 has 16 divisors (see below), whose sum is σ = 25041265344. Its totient is φ = 4162756784.

The previous prime is 12504451501. The next prime is 12504451511. The reversal of 12504451506 is 60515440521.

12504451506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12504451501) and next prime (12504451511).

It is a super-2 number, since 2×12504451506² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12504451501) 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 7 ways as a sum of consecutive naturals, for example, 1343406 + ... + 1352681.

It is an arithmetic number, because the mean of its divisors is an integer number (1565079084).

Almost surely, 2^12504451506 is an apocalyptic number.

12504451506 is an abundant number, since it is smaller than the sum of its proper divisors (12536813838).

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

12504451506 is a wasteful number, since it uses less digits than its factorization.

12504451506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696865.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 12504451506 in words is "twelve billion, five hundred four million, four hundred fifty-one thousand, five hundred six".