13120303312 has 20 divisors (see below), whose sum is σ = 25433677696. Its totient is φ = 6556773600.

The previous prime is 13120303303. The next prime is 13120303349. The reversal of 13120303312 is 21330302131.

It is a self number, because there is not a number n which added to its sum of digits gives 13120303312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178938 + ... + 241369.

Almost surely, 2^13120303312 is an apocalyptic number.

It is an amenable number.

13120303312 is a deficient number, since it is larger than the sum of its proper divisors (12313374384).

13120303312 is a wasteful number, since it uses less digits than its factorization.

13120303312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422266 (or 422260 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13120303312 its reverse (21330302131), we get a palindrome (34450605443).

The spelling of 13120303312 in words is "thirteen billion, one hundred twenty million, three hundred three thousand, three hundred twelve".