201212201120212 has 48 divisors (see below), whose sum is σ = 368106042205440. Its totient is φ = 96055133720832.

The previous prime is 201212201120179. The next prime is 201212201120213. The reversal of 201212201120212 is 212021102212102.

It is a self number, because there is not a number n which added to its sum of digits gives 201212201120212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201212201120213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1486879489 + ... + 1487014807.

It is an arithmetic number, because the mean of its divisors is an integer number (7668875879280).

Almost surely, 2^{201212201120212} is an apocalyptic number.

It is an amenable number.

201212201120212 is a deficient number, since it is larger than the sum of its proper divisors (166893841085228).

201212201120212 is a wasteful number, since it uses less digits than its factorization.

201212201120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164920 (or 164918 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 201212201120212 its reverse (212021102212102), we get a palindrome (413233303332314).

The spelling of 201212201120212 in words is "two hundred one trillion, two hundred twelve billion, two hundred one million, one hundred twenty thousand, two hundred twelve".