12225320422515 has 24 divisors (see below), whose sum is σ = 21198524976720. Its totient is φ = 6517718714304.

The previous prime is 12225320422493. The next prime is 12225320422519. The reversal of 12225320422515 is 51522402352221.

12225320422515 is a `hidden beast` number, since 1 + 2 + 225 + 3 + 2 + 0 + 422 + 5 + 1 + 5 = 666.

It is not a de Polignac number, because 12225320422515 - 2¹² = 12225320418419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12225320422515.

It is not an unprimeable number, because it can be changed into a prime (12225320422519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50966052 + ... + 51205361.

It is an arithmetic number, because the mean of its divisors is an integer number (883271874030).

Almost surely, 2^{12225320422515} is an apocalyptic number.

12225320422515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12225320422515 is a deficient number, since it is larger than the sum of its proper divisors (8973204554205).

12225320422515 is a wasteful number, since it uses less digits than its factorization.

12225320422515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102174083 (or 102174080 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 12225320422515 its reverse (51522402352221), we get a palindrome (63747722774736).

The spelling of 12225320422515 in words is "twelve trillion, two hundred twenty-five billion, three hundred twenty million, four hundred twenty-two thousand, five hundred fifteen".