12112320022 has 16 divisors (see below), whose sum is σ = 19827489744. Its totient is φ = 5503564000.

The previous prime is 12112319959. The next prime is 12112320067. The reversal of 12112320022 is 22002321121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12112319978 and 12112320005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40129 + ... + 160732.

It is an arithmetic number, because the mean of its divisors is an integer number (1239218109).

Almost surely, 2^12112320022 is an apocalyptic number.

12112320022 is a deficient number, since it is larger than the sum of its proper divisors (7715169722).

12112320022 is a wasteful number, since it uses less digits than its factorization.

12112320022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203615.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12112320022 its reverse (22002321121), we get a palindrome (34114641143).

The spelling of 12112320022 in words is "twelve billion, one hundred twelve million, three hundred twenty thousand, twenty-two".