212112021102020 has 36 divisors (see below), whose sum is σ = 482335205389380. Its totient is φ = 78318284713344.

The previous prime is 212112021101999. The next prime is 212112021102143. The reversal of 212112021102020 is 20201120211212.

212112021102020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 44784550399876 + 167327470702144 = 6692126^2 + 12935512^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 212112021102020.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31377514535 + ... + 31377521294.

It is an arithmetic number, because the mean of its divisors is an integer number (13398200149705).

Almost surely, 2^{212112021102020} is an apocalyptic number.

212112021102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212112021102020 is an abundant number, since it is smaller than the sum of its proper divisors (270223184287360).

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

212112021102020 is a wasteful number, since it uses less digits than its factorization.

212112021102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62755035864 (or 62755035849 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212112021102020 its reverse (20201120211212), we get a palindrome (232313141313232).

The spelling of 212112021102020 in words is "two hundred twelve trillion, one hundred twelve billion, twenty-one million, one hundred two thousand, twenty".