231213202111200 has 72 divisors (see below), whose sum is σ = 752598972879768. Its totient is φ = 61656853895680.

The previous prime is 231213202111139. The next prime is 231213202111211. The reversal of 231213202111200 is 2111202312132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48169414707 + ... + 48169419506.

It is an arithmetic number, because the mean of its divisors is an integer number (10452763512219).

Almost surely, 2^{231213202111200} is an apocalyptic number.

231213202111200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231213202111200 is an abundant number, since it is smaller than the sum of its proper divisors (521385770768568).

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

231213202111200 is a wasteful number, since it uses less digits than its factorization.

231213202111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96338834236 (or 96338834223 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 231213202111200 its reverse (2111202312132), we get a palindrome (233324404423332).

The spelling of 231213202111200 in words is "two hundred thirty-one trillion, two hundred thirteen billion, two hundred two million, one hundred eleven thousand, two hundred".