12513263750418 has 16 divisors (see below), whose sum is σ = 25027216595136. Its totient is φ = 4170973067760.

The previous prime is 12513263750381. The next prime is 12513263750419. The reversal of 12513263750418 is 81405736231521.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12513263750419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28476046 + ... + 28912137.

It is an arithmetic number, because the mean of its divisors is an integer number (1564201037196).

Almost surely, 2^{12513263750418} is an apocalyptic number.

12513263750418 is an abundant number, since it is smaller than the sum of its proper divisors (12513952844718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12513263750418 is a wasteful number, since it uses less digits than its factorization.

12513263750418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57424529.

The product of its (nonzero) digits is 1209600, while the sum is 48.

Adding to 12513263750418 its reverse (81405736231521), we get a palindrome (93918999981939).

The spelling of 12513263750418 in words is "twelve trillion, five hundred thirteen billion, two hundred sixty-three million, seven hundred fifty thousand, four hundred eighteen".