202102220312112 has 80 divisors (see below), whose sum is σ = 540103824000000. Its totient is φ = 65044023889152.

The previous prime is 202102220312107. The next prime is 202102220312149. The reversal of 202102220312112 is 211213022201202.

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, 355844139 + ... + 356411637.

It is an arithmetic number, because the mean of its divisors is an integer number (6751297800000).

Almost surely, 2^{202102220312112} is an apocalyptic number.

It is an amenable number.

202102220312112 is an abundant number, since it is smaller than the sum of its proper divisors (338001603687888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202102220312112 is a wasteful number, since it uses less digits than its factorization.

202102220312112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823378 (or 823372 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 202102220312112 its reverse (211213022201202), we get a palindrome (413315242513314).

The spelling of 202102220312112 in words is "two hundred two trillion, one hundred two billion, two hundred twenty million, three hundred twelve thousand, one hundred twelve".