13112350400 has 84 divisors (see below), whose sum is σ = 32287966920. Its totient is φ = 5241139200.

The previous prime is 13112350399. The next prime is 13112350403. The reversal of 13112350400 is 405321131.

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

It is not an unprimeable number, because it can be changed into a prime (13112350403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3484520 + ... + 3488280.

Almost surely, 2^13112350400 is an apocalyptic number.

13112350400 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 13112350400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16143983460).

13112350400 is an abundant number, since it is smaller than the sum of its proper divisors (19175616520).

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

13112350400 is a wasteful number, since it uses less digits than its factorization.

13112350400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5962 (or 5947 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 13112350400 its reverse (405321131), we get a palindrome (13517671531).

The spelling of 13112350400 in words is "thirteen billion, one hundred twelve million, three hundred fifty thousand, four hundred".