2222211012212 has 24 divisors (see below), whose sum is σ = 4117953308616. Its totient is φ = 1045663305728.

The previous prime is 2222211012209. The next prime is 2222211012223. The reversal of 2222211012212 is 2122101122222.

It can be written as a sum of positive squares in 4 ways, for example, as 365439594256 + 1856771417956 = 604516^2 + 1362634^2 .

It is a super-2 number, since 2×2222211012212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 430973 + ... + 2151780.

It is an arithmetic number, because the mean of its divisors is an integer number (171581387859).

Almost surely, 2^{2222211012212} is an apocalyptic number.

It is an amenable number.

2222211012212 is a deficient number, since it is larger than the sum of its proper divisors (1895742296404).

2222211012212 is a wasteful number, since it uses less digits than its factorization.

2222211012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595427 (or 2595425 counting only the distinct ones).

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

Adding to 2222211012212 its reverse (2122101122222), we get a palindrome (4344312134434).

The spelling of 2222211012212 in words is "two trillion, two hundred twenty-two billion, two hundred eleven million, twelve thousand, two hundred twelve".