12510012 has 24 divisors (see below), whose sum is σ = 29465856. Its totient is φ = 4130608.

The previous prime is 12509983. The next prime is 12510023. The reversal of 12510012 is 21001521.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12510012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3588 + ... + 6155.

It is an arithmetic number, because the mean of its divisors is an integer number (1227744).

Almost surely, 2^12510012 is an apocalyptic number.

12510012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12510012 is an abundant number, since it is smaller than the sum of its proper divisors (16955844).

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

12510012 is a wasteful number, since it uses less digits than its factorization.

12510012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9857 (or 9855 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 12510012 is about 3536.9495331429. The cubic root of 12510012 is about 232.1413872615.

Adding to 12510012 its reverse (21001521), we get a palindrome (33511533).

The spelling of 12510012 in words is "twelve million, five hundred ten thousand, twelve".