212212223231122 has 8 divisors (see below), whose sum is σ = 318378293109900. Its totient is φ = 106086125527824.

The previous prime is 212212223231111. The next prime is 212212223231137. The reversal of 212212223231122 is 221132322212212.

It can be written as a sum of positive squares in 2 ways, for example, as 194795364661921 + 17416858569201 = 13956911^2 + 4173351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 9993030597 + ... + 9993051832.

Almost surely, 2^{212212223231122} is an apocalyptic number.

212212223231122 is a deficient number, since it is larger than the sum of its proper divisors (106166069878778).

212212223231122 is a wasteful number, since it uses less digits than its factorization.

212212223231122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19986087740.

The product of its digits is 4608, while the sum is 28.

Adding to 212212223231122 its reverse (221132322212212), we get a palindrome (433344545443334).

The spelling of 212212223231122 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred twenty-three million, two hundred thirty-one thousand, one hundred twenty-two".