202201220012112 has 60 divisors (see below), whose sum is σ = 565886249956404. Its totient is φ = 67399969674240.

The previous prime is 202201220012069. The next prime is 202201220012117. The reversal of 202201220012112 is 211210022102202.

It is a happy number.

202201220012112 is a `hidden beast` number, since 20 + 220 + 12 + 200 + 1 + 211 + 2 = 666.

202201220012112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 35996112104976 + 166205107907136 = 5999676^2 + 12892056^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202201220012117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18125928 + ... + 27073080.

Almost surely, 2^{202201220012112} is an apocalyptic number.

It is an amenable number.

202201220012112 is an abundant number, since it is smaller than the sum of its proper divisors (363685029944292).

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

202201220012112 is a wasteful number, since it uses less digits than its factorization.

202201220012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9104108 (or 9104099 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202201220012112 its reverse (211210022102202), we get a palindrome (413411242114314).

The spelling of 202201220012112 in words is "two hundred two trillion, two hundred one billion, two hundred twenty million, twelve thousand, one hundred twelve".