212331131300 has 72 divisors (see below), whose sum is σ = 487913979840. Its totient is φ = 79980393600.

The previous prime is 212331131279. The next prime is 212331131351. The reversal of 212331131300 is 3131133212.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17291 + ... + 651890.

Almost surely, 2^212331131300 is an apocalyptic number.

212331131300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212331131300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243956989920).

212331131300 is an abundant number, since it is smaller than the sum of its proper divisors (275582848540).

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

212331131300 is a wasteful number, since it uses less digits than its factorization.

212331131300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669381 (or 669374 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 212331131300 its reverse (3131133212), we get a palindrome (215462264512).

The spelling of 212331131300 in words is "two hundred twelve billion, three hundred thirty-one million, one hundred thirty-one thousand, three hundred".