12112222124 has 6 divisors (see below), whose sum is σ = 21196388724. Its totient is φ = 6056111060.

The previous prime is 12112222097. The next prime is 12112222153. The reversal of 12112222124 is 42122221121.

It is a happy number.

It is a super-2 number, since 2×12112222124² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12112222096 and 12112222105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1514027762 + ... + 1514027769.

It is an arithmetic number, because the mean of its divisors is an integer number (3532731454).

Almost surely, 2^12112222124 is an apocalyptic number.

It is an amenable number.

12112222124 is a deficient number, since it is larger than the sum of its proper divisors (9084166600).

12112222124 is a wasteful number, since it uses less digits than its factorization.

12112222124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028055535 (or 3028055533 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

Adding to 12112222124 its reverse (42122221121), we get a palindrome (54234443245).

The spelling of 12112222124 in words is "twelve billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty-four".