212112201212020 has 24 divisors (see below), whose sum is σ = 449760240244224. Its totient is φ = 84021143780256.

The previous prime is 212112201211997. The next prime is 212112201212033. The reversal of 212112201212020 is 20212102211212.

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, 51483541924 + ... + 51483546043.

It is an arithmetic number, because the mean of its divisors is an integer number (18740010010176).

Almost surely, 2^{212112201212020} is an apocalyptic number.

212112201212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212112201212020 is an abundant number, since it is smaller than the sum of its proper divisors (237648039032204).

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

212112201212020 is a wasteful number, since it uses less digits than its factorization.

212112201212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102967088079 (or 102967088077 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212112201212020 its reverse (20212102211212), we get a palindrome (232324303423232).

The spelling of 212112201212020 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred one million, two hundred twelve thousand, twenty".