212210002211122 has 8 divisors (see below), whose sum is σ = 318433204217196. Its totient is φ = 106065600805392.

The previous prime is 212210002211069. The next prime is 212210002211203. The reversal of 212210002211122 is 221112200012212.

It can be written as a sum of positive squares in 2 ways, for example, as 211480786979641 + 729215231481 = 14542379^2 + 853941^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 212210002211122.

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, 19700143353 + ... + 19700154124.

Almost surely, 2^{212210002211122} is an apocalyptic number.

212210002211122 is a deficient number, since it is larger than the sum of its proper divisors (106223202006074).

212210002211122 is a wasteful number, since it uses less digits than its factorization.

212210002211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39400300172.

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

Adding to 212210002211122 its reverse (221112200012212), we get a palindrome (433322202223334).

The spelling of 212210002211122 in words is "two hundred twelve trillion, two hundred ten billion, two million, two hundred eleven thousand, one hundred twenty-two".