212100032332020 has 96 divisors (see below), whose sum is σ = 683602982092800. Its totient is φ = 48131230345344.

The previous prime is 212100032331991. The next prime is 212100032332043. The reversal of 212100032332020 is 20233230001212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1816488660 + ... + 1816605419.

It is an arithmetic number, because the mean of its divisors is an integer number (7120864396800).

Almost surely, 2^{212100032332020} is an apocalyptic number.

212100032332020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212100032332020 is an abundant number, since it is smaller than the sum of its proper divisors (471502949760780).

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

212100032332020 is a wasteful number, since it uses less digits than its factorization.

212100032332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633094237 (or 3633094235 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212100032332020 its reverse (20233230001212), we get a palindrome (232333262333232).

The spelling of 212100032332020 in words is "two hundred twelve trillion, one hundred billion, thirty-two million, three hundred thirty-two thousand, twenty".