12513263756422 has 32 divisors (see below), whose sum is σ = 22762679675904. Its totient is φ = 5080955277600.

The previous prime is 12513263756419. The next prime is 12513263756423. The reversal of 12513263756422 is 22465736231521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513263756423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705679368 + ... + 705697099.

It is an arithmetic number, because the mean of its divisors is an integer number (711333739872).

Almost surely, 2^{12513263756422} is an apocalyptic number.

12513263756422 is a deficient number, since it is larger than the sum of its proper divisors (10249415919482).

12513263756422 is a wasteful number, since it uses less digits than its factorization.

12513263756422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411376524.

The product of its digits is 3628800, while the sum is 49.

Adding to 12513263756422 its reverse (22465736231521), we get a palindrome (34978999987943).

The spelling of 12513263756422 in words is "twelve trillion, five hundred thirteen billion, two hundred sixty-three million, seven hundred fifty-six thousand, four hundred twenty-two".