202220112012 has 12 divisors (see below), whose sum is σ = 471846928056. Its totient is φ = 67406704000.

The previous prime is 202220112007. The next prime is 202220112037. The reversal of 202220112012 is 210211022202.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 202220111982 and 202220112000.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8425837989 + ... + 8425838012.

It is an arithmetic number, because the mean of its divisors is an integer number (39320577338).

Almost surely, 2^202220112012 is an apocalyptic number.

It is an amenable number.

202220112012 is an abundant number, since it is smaller than the sum of its proper divisors (269626816044).

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

202220112012 is a wasteful number, since it uses less digits than its factorization.

202220112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16851676008 (or 16851676006 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202220112012 its reverse (210211022202), we get a palindrome (412431134214).

The spelling of 202220112012 in words is "two hundred two billion, two hundred twenty million, one hundred twelve thousand, twelve".