13244020312 has 16 divisors (see below), whose sum is σ = 24839044200. Its totient is φ = 6620275200.

The previous prime is 13244020303. The next prime is 13244020343. The reversal of 13244020312 is 21302044231.

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, 184137 + ... + 245752.

Almost surely, 2^13244020312 is an apocalyptic number.

It is an amenable number.

13244020312 is a deficient number, since it is larger than the sum of its proper divisors (11595023888).

13244020312 is a wasteful number, since it uses less digits than its factorization.

13244020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433746 (or 433742 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13244020312 its reverse (21302044231), we get a palindrome (34546064543).

The spelling of 13244020312 in words is "thirteen billion, two hundred forty-four million, twenty thousand, three hundred twelve".