13201200031240 has 32 divisors (see below), whose sum is σ = 31987523153880. Its totient is φ = 4874289242112.

The previous prime is 13201200031183. The next prime is 13201200031277. The reversal of 13201200031240 is 4213000210231.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6739039473156 + 6462160558084 = 2595966^2 + 2542078^2 .

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, 12693461049 + ... + 12693462088.

Almost surely, 2^{13201200031240} is an apocalyptic number.

13201200031240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13201200031240 is an abundant number, since it is smaller than the sum of its proper divisors (18786323122640).

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

13201200031240 is a wasteful number, since it uses less digits than its factorization.

13201200031240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25386923161 (or 25386923157 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13201200031240 its reverse (4213000210231), we get a palindrome (17414200241471).

The spelling of 13201200031240 in words is "thirteen trillion, two hundred one billion, two hundred million, thirty-one thousand, two hundred forty".