2112202212212 has 48 divisors (see below), whose sum is σ = 3816760073280. Its totient is φ = 1022018342400.

The previous prime is 2112202212199. The next prime is 2112202212217. The reversal of 2112202212212 is 2122122022112.

It is a super-2 number, since 2×2112202212212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112202212217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28890239 + ... + 28963257.

It is an arithmetic number, because the mean of its divisors is an integer number (79515834860).

Almost surely, 2^{2112202212212} is an apocalyptic number.

It is an amenable number.

2112202212212 is a deficient number, since it is larger than the sum of its proper divisors (1704557861068).

2112202212212 is a wasteful number, since it uses less digits than its factorization.

2112202212212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74112 (or 74110 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2112202212212 its reverse (2122122022112), we get a palindrome (4234324234324).

The spelling of 2112202212212 in words is "two trillion, one hundred twelve billion, two hundred two million, two hundred twelve thousand, two hundred twelve".