12102211122 has 64 divisors (see below), whose sum is σ = 24850644480. Its totient is φ = 3928155264.

The previous prime is 12102211103. The next prime is 12102211129. The reversal of 12102211122 is 22111220121.

It is not an unprimeable number, because it can be changed into a prime (12102211129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12779053 + ... + 12779999.

It is an arithmetic number, because the mean of its divisors is an integer number (388291320).

Almost surely, 2^12102211122 is an apocalyptic number.

12102211122 is an abundant number, since it is smaller than the sum of its proper divisors (12748433358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12102211122 is a wasteful number, since it uses less digits than its factorization.

12102211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1367.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12102211122 its reverse (22111220121), we get a palindrome (34213431243).

The spelling of 12102211122 in words is "twelve billion, one hundred two million, two hundred eleven thousand, one hundred twenty-two".