202112222012 has 24 divisors (see below), whose sum is σ = 375445438704. Its totient is φ = 94872045312.

The previous prime is 202112221967. The next prime is 202112222033. The reversal of 202112222012 is 210222211202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3716378 + ... + 3770369.

It is an arithmetic number, because the mean of its divisors is an integer number (15643559946).

Almost surely, 2^202112222012 is an apocalyptic number.

It is an amenable number.

202112222012 is a deficient number, since it is larger than the sum of its proper divisors (173333216692).

202112222012 is a wasteful number, since it uses less digits than its factorization.

202112222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487165 (or 7487163 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202112222012 its reverse (210222211202), we get a palindrome (412334433214).

The spelling of 202112222012 in words is "two hundred two billion, one hundred twelve million, two hundred twenty-two thousand, twelve".