12112220002 has 16 divisors (see below), whose sum is σ = 18253040760. Its totient is φ = 6027919488.

The previous prime is 12112219991. The next prime is 12112220017. The reversal of 12112220002 is 20002221121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12110782401 + 1437601 = 110049^2 + 1199^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 541374 + ... + 563302.

Almost surely, 2^12112220002 is an apocalyptic number.

12112220002 is a deficient number, since it is larger than the sum of its proper divisors (6140820758).

12112220002 is a wasteful number, since it uses less digits than its factorization.

12112220002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23205.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12112220002 its reverse (20002221121), we get a palindrome (32114441123).

The spelling of 12112220002 in words is "twelve billion, one hundred twelve million, two hundred twenty thousand, two".