212012221022020 has 24 divisors (see below), whose sum is σ = 445237110287424. Its totient is φ = 84802708191456.

The previous prime is 212012221021987. The next prime is 212012221022023. The reversal of 212012221022020 is 20220122210212.

212012221022020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212012221022023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135466074 + ... + 137022193.

It is an arithmetic number, because the mean of its divisors is an integer number (18551546261976).

Almost surely, 2^{212012221022020} is an apocalyptic number.

212012221022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012221022020 is an abundant number, since it is smaller than the sum of its proper divisors (233224889265404).

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

212012221022020 is a wasteful number, since it uses less digits than its factorization.

212012221022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272527179 (or 272527177 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212012221022020 its reverse (20220122210212), we get a palindrome (232232343232232).

The spelling of 212012221022020 in words is "two hundred twelve trillion, twelve billion, two hundred twenty-one million, twenty-two thousand, twenty".