12231425522515 has 16 divisors (see below), whose sum is σ = 14744012709888. Its totient is φ = 9740941904736.

The previous prime is 12231425522467. The next prime is 12231425522521. The reversal of 12231425522515 is 51522552413221.

It is a cyclic number.

It is not a de Polignac number, because 12231425522515 - 2²³ = 12231417133907 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37416102 + ... + 37741588.

It is an arithmetic number, because the mean of its divisors is an integer number (921500794368).

Almost surely, 2^{12231425522515} is an apocalyptic number.

12231425522515 is a deficient number, since it is larger than the sum of its proper divisors (2512587187373).

12231425522515 is a wasteful number, since it uses less digits than its factorization.

12231425522515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359418.

The product of its digits is 240000, while the sum is 40.

Adding to 12231425522515 its reverse (51522552413221), we get a palindrome (63753977935736).

The spelling of 12231425522515 in words is "twelve trillion, two hundred thirty-one billion, four hundred twenty-five million, five hundred twenty-two thousand, five hundred fifteen".