212032211100 has 72 divisors (see below), whose sum is σ = 630060433968. Its totient is φ = 55013760000.

The previous prime is 212032211059. The next prime is 212032211113. The reversal of 212032211100 is 1112230212.

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 212032211100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9539901 + ... + 9562100.

Almost surely, 2^212032211100 is an apocalyptic number.

212032211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212032211100 is an abundant number, since it is smaller than the sum of its proper divisors (418028222868).

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

212032211100 is a wasteful number, since it uses less digits than its factorization.

212032211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19102055 (or 19102048 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 212032211100 its reverse (1112230212), we get a palindrome (213144441312).

The spelling of 212032211100 in words is "two hundred twelve billion, thirty-two million, two hundred eleven thousand, one hundred".