13203231232188 has 24 divisors (see below), whose sum is σ = 30807599159680. Its totient is φ = 4401068560560.

The previous prime is 13203231232187. The next prime is 13203231232193. The reversal of 13203231232188 is 88123213230231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13203231232187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9968283 + ... + 11214861.

Almost surely, 2^{13203231232188} is an apocalyptic number.

It is an amenable number.

13203231232188 is an abundant number, since it is smaller than the sum of its proper divisors (17604367927492).

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

13203231232188 is a wasteful number, since it uses less digits than its factorization.

13203231232188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129217 (or 2129215 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 13203231232188 in words is "thirteen trillion, two hundred three billion, two hundred thirty-one million, two hundred thirty-two thousand, one hundred eighty-eight".