2201212212 has 12 divisors (see below), whose sum is σ = 5136161856. Its totient is φ = 733737400.

The previous prime is 2201212151. The next prime is 2201212231. The reversal of 2201212212 is 2122121022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2201212191 and 2201212200.

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, 91717164 + ... + 91717187.

It is an arithmetic number, because the mean of its divisors is an integer number (428013488).

Almost surely, 2^2201212212 is an apocalyptic number.

It is an amenable number.

2201212212 is an abundant number, since it is smaller than the sum of its proper divisors (2934949644).

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

2201212212 is a wasteful number, since it uses less digits than its factorization.

2201212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183434358 (or 183434356 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2201212212 is about 46917.0780420094. The cubic root of 2201212212 is about 1300.8302806510.

Adding to 2201212212 its reverse (2122121022), we get a palindrome (4323333234).

The spelling of 2201212212 in words is "two billion, two hundred one million, two hundred twelve thousand, two hundred twelve".