212022101012020 has 48 divisors (see below), whose sum is σ = 479548142005968. Its totient is φ = 78276592696320.

The previous prime is 212022101011951. The next prime is 212022101012053. The reversal of 212022101012020 is 20210101220212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 22452491420836 + 189569609591184 = 4738406^2 + 13768428^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212022101011985 and 212022101012003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41820609 + ... + 46615528.

It is an arithmetic number, because the mean of its divisors is an integer number (9990586291791).

Almost surely, 2^{212022101012020} is an apocalyptic number.

212022101012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212022101012020 is an abundant number, since it is smaller than the sum of its proper divisors (267526040993948).

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

212022101012020 is a wasteful number, since it uses less digits than its factorization.

212022101012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88445380 (or 88445378 counting only the distinct ones).

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

Adding to 212022101012020 its reverse (20210101220212), we get a palindrome (232232202232232).

The spelling of 212022101012020 in words is "two hundred twelve trillion, twenty-two billion, one hundred one million, twelve thousand, twenty".