12205315454025 has 48 divisors (see below), whose sum is σ = 20584052179200. Its totient is φ = 6380189237760.

The previous prime is 12205315454009. The next prime is 12205315454041. The reversal of 12205315454025 is 52045451350221.

It is an interprime number because it is at equal distance from previous prime (12205315454009) and next prime (12205315454041).

It is not a de Polignac number, because 12205315454025 - 2⁴ = 12205315454009 is a prime.

It is a super-2 number, since 2×12205315454025² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6706410 + ... + 8329859.

It is an arithmetic number, because the mean of its divisors is an integer number (428834420400).

Almost surely, 2^{12205315454025} is an apocalyptic number.

12205315454025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12205315454025 is a deficient number, since it is larger than the sum of its proper divisors (8378736725175).

12205315454025 is a wasteful number, since it uses less digits than its factorization.

12205315454025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15036498 (or 15036493 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 39.

The spelling of 12205315454025 in words is "twelve trillion, two hundred five billion, three hundred fifteen million, four hundred fifty-four thousand, twenty-five".