212122200010020 has 24 divisors (see below), whose sum is σ = 593942160028224. Its totient is φ = 56565920002656.

The previous prime is 212122200009983. The next prime is 212122200010031. The reversal of 212122200010020 is 20010002221212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767685000024 + ... + 1767685000143.

It is an arithmetic number, because the mean of its divisors is an integer number (24747590001176).

Almost surely, 2^{212122200010020} is an apocalyptic number.

212122200010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212122200010020 is an abundant number, since it is smaller than the sum of its proper divisors (381819960018204).

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

212122200010020 is a wasteful number, since it uses less digits than its factorization.

212122200010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535370000179 (or 3535370000177 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212122200010020 its reverse (20010002221212), we get a palindrome (232132202231232).

The spelling of 212122200010020 in words is "two hundred twelve trillion, one hundred twenty-two billion, two hundred million, ten thousand, twenty".