12500310020 has 48 divisors (see below), whose sum is σ = 29882176128. Its totient is φ = 4347932160.

The previous prime is 12500309993. The next prime is 12500310023. The reversal of 12500310020 is 2001300521.

It is a happy number.

It is a super-2 number, since 2×12500310020² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12500309977 and 12500310004.

It is not an unprimeable number, because it can be changed into a prime (12500310023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230149 + ... + 1240268.

It is an arithmetic number, because the mean of its divisors is an integer number (622545336).

Almost surely, 2^12500310020 is an apocalyptic number.

12500310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12500310020 is an abundant number, since it is smaller than the sum of its proper divisors (17381866108).

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

12500310020 is a wasteful number, since it uses less digits than its factorization.

12500310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470460 (or 2470458 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

Adding to 12500310020 its reverse (2001300521), we get a palindrome (14501610541).

The spelling of 12500310020 in words is "twelve billion, five hundred million, three hundred ten thousand, twenty".