12225402513 has 48 divisors (see below), whose sum is σ = 18402508800. Its totient is φ = 7812511200.

The previous prime is 12225402499. The next prime is 12225402523. The reversal of 12225402513 is 31520452221.

12225402513 is a `hidden beast` number, since 122 + 25 + 4 + 0 + 2 + 513 = 666.

It is not a de Polignac number, because 12225402513 - 2⁹ = 12225402001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12225402523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20409388 + ... + 20409986.

It is an arithmetic number, because the mean of its divisors is an integer number (383385600).

Almost surely, 2^12225402513 is an apocalyptic number.

It is an amenable number.

12225402513 is a deficient number, since it is larger than the sum of its proper divisors (6177106287).

12225402513 is a wasteful number, since it uses less digits than its factorization.

12225402513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210 (or 1207 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 12225402513 its reverse (31520452221), we get a palindrome (43745854734).

The spelling of 12225402513 in words is "twelve billion, two hundred twenty-five million, four hundred two thousand, five hundred thirteen".