13312244000000 has 252 divisors, whose sum is σ = 36234865562784. Its totient is φ = 4840800000000.

The previous prime is 13312243999961. The next prime is 13312244000053. The reversal of 13312244000000 is 44221331.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 43848725 + ... + 44151275.

Almost surely, 2^{13312244000000} is an apocalyptic number.

13312244000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13312244000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18117432781392).

13312244000000 is an abundant number, since it is smaller than the sum of its proper divisors (22922621562784).

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

13312244000000 is an frugal number, since it uses more digits than its factorization.

13312244000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302608 (or 302569 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13312244000000 its reverse (44221331), we get a palindrome (13312288221331).

The spelling of 13312244000000 in words is "thirteen trillion, three hundred twelve billion, two hundred forty-four million", and thus it is an aban number.