202012221112 has 16 divisors (see below), whose sum is σ = 407909292840. Its totient is φ = 93236409696.

The previous prime is 202012221107. The next prime is 202012221113. The reversal of 202012221112 is 211122210202.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202012221113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971212498 + ... + 971212705.

Almost surely, 2^202012221112 is an apocalyptic number.

It is an amenable number.

202012221112 is an abundant number, since it is smaller than the sum of its proper divisors (205897071728).

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

202012221112 is a wasteful number, since it uses less digits than its factorization.

202012221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1942425222 (or 1942425218 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202012221112 its reverse (211122210202), we get a palindrome (413134431314).

The spelling of 202012221112 in words is "two hundred two billion, twelve million, two hundred twenty-one thousand, one hundred twelve".