212133013100 has 36 divisors (see below), whose sum is σ = 460454763384. Its totient is φ = 84829956480.

The previous prime is 212133013033. The next prime is 212133013153. The reversal of 212133013100 is 1310331212.

It is a super-2 number, since 2×212133013100² (a number of 23 digits) contains 22 as substring.

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, 78527 + ... + 656073.

It is an arithmetic number, because the mean of its divisors is an integer number (12790410094).

Almost surely, 2^212133013100 is an apocalyptic number.

212133013100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212133013100 is an abundant number, since it is smaller than the sum of its proper divisors (248321750284).

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

212133013100 is a wasteful number, since it uses less digits than its factorization.

212133013100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581234 (or 581227 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 212133013100 its reverse (1310331212), we get a palindrome (213443344312).

The spelling of 212133013100 in words is "two hundred twelve billion, one hundred thirty-three million, thirteen thousand, one hundred".