202202021212 has 12 divisors (see below), whose sum is σ = 357160580280. Its totient is φ = 100156141136.

The previous prime is 202202021207. The next prime is 202202021261. The reversal of 202202021212 is 212120202202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236216887 + ... + 236217742.

It is an arithmetic number, because the mean of its divisors is an integer number (29763381690).

Almost surely, 2^202202021212 is an apocalyptic number.

It is an amenable number.

202202021212 is a deficient number, since it is larger than the sum of its proper divisors (154958559068).

202202021212 is a wasteful number, since it uses less digits than its factorization.

202202021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472434740 (or 472434738 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202202021212 its reverse (212120202202), we get a palindrome (414322223414).

The spelling of 202202021212 in words is "two hundred two billion, two hundred two million, twenty-one thousand, two hundred twelve".