212331212300 has 36 divisors (see below), whose sum is σ = 460778737440. Its totient is φ = 84928797120.

The previous prime is 212331212263. The next prime is 212331212309. The reversal of 212331212300 is 3212133212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (212331212309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4455197 + ... + 4502603.

Almost surely, 2^212331212300 is an apocalyptic number.

212331212300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212331212300 is an abundant number, since it is smaller than the sum of its proper divisors (248447525140).

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

212331212300 is a wasteful number, since it uses less digits than its factorization.

212331212300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92210 (or 92203 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212331212300 its reverse (3212133212), we get a palindrome (215543345512).

The spelling of 212331212300 in words is "two hundred twelve billion, three hundred thirty-one million, two hundred twelve thousand, three hundred".