12102221122 has 8 divisors (see below), whose sum is σ = 18424277136. Its totient is φ = 5960795412.

The previous prime is 12102221111. The next prime is 12102221141. The reversal of 12102221122 is 22112220121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12102221096 and 12102221105.

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, 45157408 + ... + 45157675.

It is an arithmetic number, because the mean of its divisors is an integer number (2303034642).

Almost surely, 2^12102221122 is an apocalyptic number.

12102221122 is a deficient number, since it is larger than the sum of its proper divisors (6322056014).

12102221122 is an equidigital number, since it uses as much as digits as its factorization.

12102221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90315152.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12102221122 its reverse (22112220121), we get a palindrome (34214441243).

The spelling of 12102221122 in words is "twelve billion, one hundred two million, two hundred twenty-one thousand, one hundred twenty-two".