212021202120212 has 96 divisors (see below), whose sum is σ = 408720355922592. Its totient is φ = 95846384664576.

The previous prime is 212021202120193. The next prime is 212021202120239.

212021202120212 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 16 ways, for example, as 1911654655876 + 210109547464336 = 1382626^2 + 14495156^2 .

212021202120212 is a modest number, since divided by 21202120212 gives 212 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33102428 + ... + 38984780.

It is an arithmetic number, because the mean of its divisors is an integer number (4257503707527).

Almost surely, 2^{212021202120212} is an apocalyptic number.

It is an amenable number.

212021202120212 is a deficient number, since it is larger than the sum of its proper divisors (196699153802380).

212021202120212 is a wasteful number, since it uses less digits than its factorization.

212021202120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882637 (or 5882635 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 21202120 and 2120212, that added together give a palindrome (23322332).

The spelling of 212021202120212 in words is "two hundred twelve trillion, twenty-one billion, two hundred two million, one hundred twenty thousand, two hundred twelve".