12500214025 has 24 divisors (see below), whose sum is σ = 16720629464. Its totient is φ = 9215424000.

The previous prime is 12500214017. The next prime is 12500214031. The reversal of 12500214025 is 52041200521.

It can be written as a sum of positive squares in 12 ways, for example, as 1765596361 + 10734617664 = 42019^2 + 103608^2 .

It is not a de Polignac number, because 12500214025 - 2³ = 12500214017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12500213987 and 12500214005.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163327 + ... + 227323.

Almost surely, 2^12500214025 is an apocalyptic number.

It is an amenable number.

12500214025 is a deficient number, since it is larger than the sum of its proper divisors (4220415439).

12500214025 is a wasteful number, since it uses less digits than its factorization.

12500214025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64621 (or 64616 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 12500214025 its reverse (52041200521), we get a palindrome (64541414546).

The spelling of 12500214025 in words is "twelve billion, five hundred million, two hundred fourteen thousand, twenty-five".