212000221112020 has 48 divisors (see below), whose sum is σ = 485675553097728. Its totient is φ = 77090621356160.

The previous prime is 212000221111969. The next prime is 212000221112021. The reversal of 212000221112020 is 20211122000212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212000221111985 and 212000221112003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000221112021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46190829 + ... + 50572651.

It is an arithmetic number, because the mean of its divisors is an integer number (10118240689536).

Almost surely, 2^{212000221112020} is an apocalyptic number.

212000221112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212000221112020 is an abundant number, since it is smaller than the sum of its proper divisors (273675331985708).

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

212000221112020 is a wasteful number, since it uses less digits than its factorization.

212000221112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4601760 (or 4601758 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212000221112020 its reverse (20211122000212), we get a palindrome (232211343112232).

The spelling of 212000221112020 in words is "two hundred twelve trillion, two hundred twenty-one million, one hundred twelve thousand, twenty".