202110021212212 has 48 divisors (see below), whose sum is σ = 360159787411200. Its totient is φ = 99211794894720.

The previous prime is 202110021212201. The next prime is 202110021212249. The reversal of 202110021212212 is 212212120011202.

It is a self number, because there is not a number n which added to its sum of digits gives 202110021212212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673700598 + ... + 674000530.

It is an arithmetic number, because the mean of its divisors is an integer number (7503328904400).

Almost surely, 2^{202110021212212} is an apocalyptic number.

It is an amenable number.

202110021212212 is a deficient number, since it is larger than the sum of its proper divisors (158049766198988).

202110021212212 is a wasteful number, since it uses less digits than its factorization.

202110021212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303736 (or 303734 counting only the distinct ones).

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

Adding to 202110021212212 its reverse (212212120011202), we get a palindrome (414322141223414).

The spelling of 202110021212212 in words is "two hundred two trillion, one hundred ten billion, twenty-one million, two hundred twelve thousand, two hundred twelve".