12513222231026 has 16 divisors (see below), whose sum is σ = 20496276257760. Its totient is φ = 5682246502080.

The previous prime is 12513222231019. The next prime is 12513222231047. The reversal of 12513222231026 is 62013222231521.

12513222231026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12513222230983 and 12513222231001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279066311 + ... + 279111146.

It is an arithmetic number, because the mean of its divisors is an integer number (1281017266110).

Almost surely, 2^{12513222231026} is an apocalyptic number.

12513222231026 is a deficient number, since it is larger than the sum of its proper divisors (7983054026734).

12513222231026 is a wasteful number, since it uses less digits than its factorization.

12513222231026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558178489.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 12513222231026 its reverse (62013222231521), we get a palindrome (74526444462547).

The spelling of 12513222231026 in words is "twelve trillion, five hundred thirteen billion, two hundred twenty-two million, two hundred thirty-one thousand, twenty-six".