12494451620 has 48 divisors (see below), whose sum is σ = 30187987200. Its totient is φ = 4255054464.

The previous prime is 12494451589. The next prime is 12494451647. The reversal of 12494451620 is 2615449421.

12494451620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12494451620² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 278624 + ... + 320343.

It is an arithmetic number, because the mean of its divisors is an integer number (628916400).

Almost surely, 2^12494451620 is an apocalyptic number.

12494451620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12494451620 is an abundant number, since it is smaller than the sum of its proper divisors (17693535580).

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

12494451620 is a wasteful number, since it uses less digits than its factorization.

12494451620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599132 (or 599130 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 12494451620 in words is "twelve billion, four hundred ninety-four million, four hundred fifty-one thousand, six hundred twenty".