13244211312 has 20 divisors (see below), whose sum is σ = 34214212680. Its totient is φ = 4414737088.

The previous prime is 13244211283. The next prime is 13244211329. The reversal of 13244211312 is 21311244231.

It is a super-2 number, since 2×13244211312² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

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, 137960487 + ... + 137960582.

It is an arithmetic number, because the mean of its divisors is an integer number (1710710634).

Almost surely, 2^13244211312 is an apocalyptic number.

13244211312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13244211312 is an abundant number, since it is smaller than the sum of its proper divisors (20970001368).

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

13244211312 is a wasteful number, since it uses less digits than its factorization.

13244211312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275921080 (or 275921074 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 13244211312 its reverse (21311244231), we get a palindrome (34555455543).

The spelling of 13244211312 in words is "thirteen billion, two hundred forty-four million, two hundred eleven thousand, three hundred twelve".