212120311300 has 72 divisors (see below), whose sum is σ = 461720572992. Its totient is φ = 84586896000.

The previous prime is 212120311261. The next prime is 212120311303. The reversal of 212120311300 is 3113021212.

It is not an unprimeable number, because it can be changed into a prime (212120311303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55775199 + ... + 55779001.

It is an arithmetic number, because the mean of its divisors is an integer number (6412785736).

Almost surely, 2^212120311300 is an apocalyptic number.

212120311300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212120311300 is an abundant number, since it is smaller than the sum of its proper divisors (249600261692).

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

212120311300 is a wasteful number, since it uses less digits than its factorization.

212120311300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389 (or 5382 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 212120311300 its reverse (3113021212), we get a palindrome (215233332512).

The spelling of 212120311300 in words is "two hundred twelve billion, one hundred twenty million, three hundred eleven thousand, three hundred".