2212211201212 has 24 divisors (see below), whose sum is σ = 4003275911040. Its totient is φ = 1068543502080.

The previous prime is 2212211201191. The next prime is 2212211201219. The reversal of 2212211201212 is 2121021122122.

It is a super-3 number, since 3×2212211201212³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2212211201212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212211201219) 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 7 ways as a sum of consecutive naturals, for example, 15606433 + ... + 15747544.

It is an arithmetic number, because the mean of its divisors is an integer number (166803162960).

Almost surely, 2^{2212211201212} is an apocalyptic number.

It is an amenable number.

2212211201212 is a deficient number, since it is larger than the sum of its proper divisors (1791064709828).

2212211201212 is a wasteful number, since it uses less digits than its factorization.

2212211201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31354581 (or 31354579 counting only the distinct ones).

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

Adding to 2212211201212 its reverse (2121021122122), we get a palindrome (4333232323334).

The spelling of 2212211201212 in words is "two trillion, two hundred twelve billion, two hundred eleven million, two hundred one thousand, two hundred twelve".