12523116222531 has 32 divisors (see below), whose sum is σ = 19649285651520. Its totient is φ = 7855568842752.

The previous prime is 12523116222503. The next prime is 12523116222583. The reversal of 12523116222531 is 13522261132521.

12523116222531 is a `hidden beast` number, since 1 + 2 + 5 + 2 + 3 + 1 + 1 + 622 + 25 + 3 + 1 = 666.

12523116222531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12523116222531 - 2⁶ = 12523116222467 is a prime.

It is a super-2 number, since 2×12523116222531² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12523116222031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1855570 + ... + 5337543.

It is an arithmetic number, because the mean of its divisors is an integer number (614040176610).

Almost surely, 2^{12523116222531} is an apocalyptic number.

12523116222531 is a deficient number, since it is larger than the sum of its proper divisors (7126169428989).

12523116222531 is a wasteful number, since it uses less digits than its factorization.

12523116222531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7196932 (or 7196926 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The spelling of 12523116222531 in words is "twelve trillion, five hundred twenty-three billion, one hundred sixteen million, two hundred twenty-two thousand, five hundred thirty-one".