212122200222020 has 24 divisors (see below), whose sum is σ = 485952676872768. Its totient is φ = 77135345535200.

The previous prime is 212122200222019. The next prime is 212122200222043. The reversal of 212122200222020 is 20222002221212.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 212122200221983 and 212122200222001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482095909376 + ... + 482095909815.

It is an arithmetic number, because the mean of its divisors is an integer number (20248028203032).

Almost surely, 2^{212122200222020} is an apocalyptic number.

212122200222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212122200222020 is an abundant number, since it is smaller than the sum of its proper divisors (273830476650748).

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

212122200222020 is a wasteful number, since it uses less digits than its factorization.

212122200222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964191819211 (or 964191819209 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 212122200222020 its reverse (20222002221212), we get a palindrome (232344202443232).

The spelling of 212122200222020 in words is "two hundred twelve trillion, one hundred twenty-two billion, two hundred million, two hundred twenty-two thousand, twenty".