13001231200 has 72 divisors (see below), whose sum is σ = 32513465880. Its totient is φ = 5073638400.

The previous prime is 13001231189. The next prime is 13001231203. The reversal of 13001231200 is 213210031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001231203) 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, 165390 + ... + 230989.

It is an arithmetic number, because the mean of its divisors is an integer number (451575915).

Almost surely, 2^13001231200 is an apocalyptic number.

13001231200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13001231200 is an abundant number, since it is smaller than the sum of its proper divisors (19512234680).

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

13001231200 is a wasteful number, since it uses less digits than its factorization.

13001231200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396440 (or 396427 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 13001231200 its reverse (213210031), we get a palindrome (13214441231).

The spelling of 13001231200 in words is "thirteen billion, one million, two hundred thirty-one thousand, two hundred".