12112155053 has 8 divisors (see below), whose sum is σ = 12865613688. Its totient is φ = 11363249664.

The previous prime is 12112155037. The next prime is 12112155071. The reversal of 12112155053 is 35055121121.

It can be written as a sum of positive squares in 4 ways, for example, as 1651365769 + 10460789284 = 40637^2 + 102278^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12112155053 - 2⁴ = 12112155037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112155353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132826 + ... + 1143467.

It is an arithmetic number, because the mean of its divisors is an integer number (1608201711).

Almost surely, 2^12112155053 is an apocalyptic number.

It is an amenable number.

12112155053 is a deficient number, since it is larger than the sum of its proper divisors (753458635).

12112155053 is a wasteful number, since it uses less digits than its factorization.

12112155053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276623.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 12112155053 its reverse (35055121121), we get a palindrome (47167276174).

The spelling of 12112155053 in words is "twelve billion, one hundred twelve million, one hundred fifty-five thousand, fifty-three".