12510002 has 18 divisors (see below), whose sum is σ = 19554327. Its totient is φ = 6002400.

The previous prime is 12509983. The next prime is 12510023. The reversal of 12510002 is 20001521.

It can be written as a sum of positive squares in 5 ways, for example, as 1745041 + 10764961 = 1321^2 + 3281^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2501.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 205052 + ... + 205112.

Almost surely, 2^12510002 is an apocalyptic number.

12510002 is a deficient number, since it is larger than the sum of its proper divisors (7044325).

12510002 is an frugal number, since it uses more digits than its factorization.

12510002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 104 counting only the distinct ones).

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

The square root of 12510002 is about 3536.9481194951. The cubic root of 12510002 is about 232.1413254066.

Adding to 12510002 its reverse (20001521), we get a palindrome (32511523).

The spelling of 12510002 in words is "twelve million, five hundred ten thousand, two".