12212221001122 has 8 divisors (see below), whose sum is σ = 18319670504172. Its totient is φ = 6105664166400.

The previous prime is 12212221001107. The next prime is 12212221001143. The reversal of 12212221001122 is 22110012221221.

It can be written as a sum of positive squares in 2 ways, for example, as 10805361696801 + 1406859304321 = 3287151^2 + 1186111^2 .

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 12212221001122.

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, 223132879 + ... + 223187602.

Almost surely, 2^{12212221001122} is an apocalyptic number.

12212221001122 is a deficient number, since it is larger than the sum of its proper divisors (6107449503050).

12212221001122 is a wasteful number, since it uses less digits than its factorization.

12212221001122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446334164.

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

Adding to 12212221001122 its reverse (22110012221221), we get a palindrome (34322233222343).

The spelling of 12212221001122 in words is "twelve trillion, two hundred twelve billion, two hundred twenty-one million, one thousand, one hundred twenty-two".