12115202025 has 12 divisors (see below), whose sum is σ = 20030467472. Its totient is φ = 6461441040.

The previous prime is 12115202017. The next prime is 12115202111. The reversal of 12115202025 is 52020251121.

It is not a de Polignac number, because 12115202025 - 2³ = 12115202017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12115201992 and 12115202010.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80767939 + ... + 80768088.

Almost surely, 2^12115202025 is an apocalyptic number.

12115202025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12115202025 is a deficient number, since it is larger than the sum of its proper divisors (7915265447).

12115202025 is a wasteful number, since it uses less digits than its factorization.

12115202025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161536040 (or 161536035 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

Adding to 12115202025 its reverse (52020251121), we get a palindrome (64135453146).

The spelling of 12115202025 in words is "twelve billion, one hundred fifteen million, two hundred two thousand, twenty-five".