201222002012012 has 12 divisors (see below), whose sum is σ = 352138756892160. Its totient is φ = 100610928614256.

The previous prime is 201222002011781. The next prime is 201222002012021. The reversal of 201222002012012 is 210210200222102.

It is a happy number.

It is a super-2 number, since 2×201222002012012² (a number of 29 digits) contains 22 as substring.

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, 11583212 + ... + 23164947.

It is an arithmetic number, because the mean of its divisors is an integer number (29344896407680).

Almost surely, 2^{201222002012012} is an apocalyptic number.

It is an amenable number.

201222002012012 is a deficient number, since it is larger than the sum of its proper divisors (150916754880148).

201222002012012 is a wasteful number, since it uses less digits than its factorization.

201222002012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36195880 (or 36195878 counting only the distinct ones).

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

Adding to 201222002012012 its reverse (210210200222102), we get a palindrome (411432202234114).

The spelling of 201222002012012 in words is "two hundred one trillion, two hundred twenty-two billion, two million, twelve thousand, twelve".