13201243212 has 24 divisors (see below), whose sum is σ = 30804759216. Its totient is φ = 4400148928.

The previous prime is 13201243177. The next prime is 13201243271. The reversal of 13201243212 is 21234210231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368278 + ... + 402530.

It is an arithmetic number, because the mean of its divisors is an integer number (1283531634).

Almost surely, 2^13201243212 is an apocalyptic number.

13201243212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13201243212 is an abundant number, since it is smaller than the sum of its proper divisors (17603516004).

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

13201243212 is a wasteful number, since it uses less digits than its factorization.

13201243212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66377 (or 66375 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13201243212 its reverse (21234210231), we get a palindrome (34435453443).

The spelling of 13201243212 in words is "thirteen billion, two hundred one million, two hundred forty-three thousand, two hundred twelve".