202010122121212 has 6 divisors (see below), whose sum is σ = 353517713712128. Its totient is φ = 101005061060604.

The previous prime is 202010122121081. The next prime is 202010122121231. The reversal of 202010122121212 is 212121221010202.

It is a self number, because there is not a number n which added to its sum of digits gives 202010122121212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25251265265148 + ... + 25251265265155.

Almost surely, 2^{202010122121212} is an apocalyptic number.

It is an amenable number.

202010122121212 is a deficient number, since it is larger than the sum of its proper divisors (151507591590916).

202010122121212 is a wasteful number, since it uses less digits than its factorization.

202010122121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50502530530307 (or 50502530530305 counting only the distinct ones).

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

Adding to 202010122121212 its reverse (212121221010202), we get a palindrome (414131343131414).

The spelling of 202010122121212 in words is "two hundred two trillion, ten billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred twelve".