231200121300 has 36 divisors (see below), whose sum is σ = 668939018496. Its totient is φ = 61653365600.

The previous prime is 231200121289. The next prime is 231200121331. The reversal of 231200121300 is 3121002132.

231200121300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 231200121300.

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, 385333236 + ... + 385333835.

Almost surely, 2^231200121300 is an apocalyptic number.

231200121300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231200121300 is an abundant number, since it is smaller than the sum of its proper divisors (437738897196).

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

231200121300 is a wasteful number, since it uses less digits than its factorization.

231200121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770667088 (or 770667081 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 231200121300 its reverse (3121002132), we get a palindrome (234321123432).

The spelling of 231200121300 in words is "two hundred thirty-one billion, two hundred million, one hundred twenty-one thousand, three hundred".