201222212222012 has 12 divisors (see below), whose sum is σ = 353908413457200. Its totient is φ = 100105522662816.

The previous prime is 201222212221973. The next prime is 201222212222039. The reversal of 201222212222012 is 210222212222102.

It is a congruent number.

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, 126395861153 + ... + 126395862744.

It is an arithmetic number, because the mean of its divisors is an integer number (29492367788100).

Almost surely, 2^{201222212222012} is an apocalyptic number.

It is an amenable number.

201222212222012 is a deficient number, since it is larger than the sum of its proper divisors (152686201235188).

201222212222012 is a wasteful number, since it uses less digits than its factorization.

201222212222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252791724100 (or 252791724098 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 201222212222012 its reverse (210222212222102), we get a palindrome (411444424444114).

The spelling of 201222212222012 in words is "two hundred one trillion, two hundred twenty-two billion, two hundred twelve million, two hundred twenty-two thousand, twelve".