202021110021212 has 192 divisors, whose sum is σ = 372610112200704. Its totient is φ = 95770285977600.

The previous prime is 202021110021197. The next prime is 202021110021221. The reversal of 202021110021212 is 212120011120202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 128922213653 + ... + 128922215219.

It is an arithmetic number, because the mean of its divisors is an integer number (1940677667712).

Almost surely, 2^{202021110021212} is an apocalyptic number.

It is an amenable number.

202021110021212 is a deficient number, since it is larger than the sum of its proper divisors (170589002179492).

202021110021212 is a wasteful number, since it uses less digits than its factorization.

202021110021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2548 (or 2546 counting only the distinct ones).

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

Adding to 202021110021212 its reverse (212120011120202), we get a palindrome (414141121141414).

The spelling of 202021110021212 in words is "two hundred two trillion, twenty-one billion, one hundred ten million, twenty-one thousand, two hundred twelve".