2201202211212 has 36 divisors (see below), whose sum is σ = 5581926899640. Its totient is φ = 731389868352.

The previous prime is 2201202211189. The next prime is 2201202211213. The reversal of 2201202211212 is 2121122021022.

It is a happy number.

2201202211212 is a `hidden beast` number, since 220 + 1 + 20 + 2 + 211 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is not an unprimeable number, because it can be changed into a prime (2201202211213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97663662 + ... + 97686197.

It is an arithmetic number, because the mean of its divisors is an integer number (155053524990).

Almost surely, 2^{2201202211212} is an apocalyptic number.

It is an amenable number.

2201202211212 is an abundant number, since it is smaller than the sum of its proper divisors (3380724688428).

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

2201202211212 is a wasteful number, since it uses less digits than its factorization.

2201202211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195350182 (or 195350177 counting only the distinct ones).

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

Adding to 2201202211212 its reverse (2121122021022), we get a palindrome (4322324232234).

The spelling of 2201202211212 in words is "two trillion, two hundred one billion, two hundred two million, two hundred eleven thousand, two hundred twelve".