2222201212212 has 24 divisors (see below), whose sum is σ = 5193678413056. Its totient is φ = 739513415808.

The previous prime is 2222201212163. The next prime is 2222201212213. The reversal of 2222201212212 is 2122121022222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222201212213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152532613 + ... + 152547180.

Almost surely, 2^{2222201212212} is an apocalyptic number.

It is an amenable number.

2222201212212 is an abundant number, since it is smaller than the sum of its proper divisors (2971477200844).

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

2222201212212 is a wasteful number, since it uses less digits than its factorization.

2222201212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305080407 (or 305080405 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2222201212212 its reverse (2122121022222), we get a palindrome (4344322234434).

The spelling of 2222201212212 in words is "two trillion, two hundred twenty-two billion, two hundred one million, two hundred twelve thousand, two hundred twelve".