201211002222012 has 96 divisors (see below), whose sum is σ = 530668514053440. Its totient is φ = 65921553561600.

The previous prime is 201211002222001. The next prime is 201211002222059. The reversal of 201211002222012 is 210222200112102.

It is a happy number.

201211002222012 is a `hidden beast` number, since 20 + 121 + 100 + 222 + 201 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65827453 + ... + 68816244.

It is an arithmetic number, because the mean of its divisors is an integer number (5527797021390).

Almost surely, 2^{201211002222012} is an apocalyptic number.

It is an amenable number.

201211002222012 is an abundant number, since it is smaller than the sum of its proper divisors (329457511831428).

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

201211002222012 is a wasteful number, since it uses less digits than its factorization.

201211002222012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134643948 (or 134643940 counting only the distinct ones).

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

Adding to 201211002222012 its reverse (210222200112102), we get a palindrome (411433202334114).

The spelling of 201211002222012 in words is "two hundred one trillion, two hundred eleven billion, two million, two hundred twenty-two thousand, twelve".