13012503326451 has 24 divisors (see below), whose sum is σ = 20423321584640. Its totient is φ = 7953312726000.

The previous prime is 13012503326437. The next prime is 13012503326549. The reversal of 13012503326451 is 15462330521031.

13012503326451 is a `hidden beast` number, since 1 + 3 + 0 + 1 + 2 + 5 + 0 + 3 + 3 + 2 + 645 + 1 = 666.

It is not a de Polignac number, because 13012503326451 - 2⁶ = 13012503326387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13012503326401) 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, 1227357775 + ... + 1227368376.

Almost surely, 2^{13012503326451} is an apocalyptic number.

13012503326451 is a deficient number, since it is larger than the sum of its proper divisors (7410818258189).

13012503326451 is a wasteful number, since it uses less digits than its factorization.

13012503326451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454726207 (or 2454726204 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 13012503326451 its reverse (15462330521031), we get a palindrome (28474833847482).

The spelling of 13012503326451 in words is "thirteen trillion, twelve billion, five hundred three million, three hundred twenty-six thousand, four hundred fifty-one".