12500012 has 24 divisors (see below), whose sum is σ = 25320960. Its totient is φ = 5288400.

The previous prime is 12500003. The next prime is 12500029. The reversal of 12500012 is 21000521.

It is a junction number, because it is equal to n+sod(n) for n = 12499966 and 12500002.

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, 614 + ... + 5037.

It is an arithmetic number, because the mean of its divisors is an integer number (1055040).

Almost surely, 2^12500012 is an apocalyptic number.

It is an amenable number.

12500012 is an abundant number, since it is smaller than the sum of its proper divisors (12820948).

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

12500012 is a wasteful number, since it uses less digits than its factorization.

12500012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5741 (or 5739 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 12500012 is about 3535.5356029886. The cubic root of 12500012 is about 232.0795159460.

Adding to 12500012 its reverse (21000521), we get a palindrome (33500533).

The spelling of 12500012 in words is "twelve million, five hundred thousand, twelve".