12112212152 has 16 divisors (see below), whose sum is σ = 23493515400. Its totient is φ = 5847274720.

The previous prime is 12112212109. The next prime is 12112212191. The reversal of 12112212152 is 25121221121.

12112212152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12112212152² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26103674 + ... + 26104137.

Almost surely, 2^12112212152 is an apocalyptic number.

It is an amenable number.

12112212152 is a deficient number, since it is larger than the sum of its proper divisors (11381303248).

12112212152 is a wasteful number, since it uses less digits than its factorization.

12112212152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52207846 (or 52207842 counting only the distinct ones).

The product of its digits is 160, while the sum is 20.

Adding to 12112212152 its reverse (25121221121), we get a palindrome (37233433273).

The spelling of 12112212152 in words is "twelve billion, one hundred twelve million, two hundred twelve thousand, one hundred fifty-two".