212202222012020 has 24 divisors (see below), whose sum is σ = 464999651714304. Its totient is φ = 81190415378336.

The previous prime is 212202222012017. The next prime is 212202222012049. The reversal of 212202222012020 is 20210222202212.

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 = 212202222011983 and 212202222012001.

It is a congruent number.

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, 230654588684 + ... + 230654589603.

It is an arithmetic number, because the mean of its divisors is an integer number (19374985488096).

Almost surely, 2^{212202222012020} is an apocalyptic number.

212202222012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212202222012020 is an abundant number, since it is smaller than the sum of its proper divisors (252797429702284).

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

212202222012020 is a wasteful number, since it uses less digits than its factorization.

212202222012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461309178319 (or 461309178317 counting only the distinct ones).

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

Adding to 212202222012020 its reverse (20210222202212), we get a palindrome (232412444214232).

The spelling of 212202222012020 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty-two million, twelve thousand, twenty".