12112303555 has 16 divisors (see below), whose sum is σ = 15859087200. Its totient is φ = 8807292160.

The previous prime is 12112303519. The next prime is 12112303607. The reversal of 12112303555 is 55530321121.

It is not a de Polignac number, because 12112303555 - 2²¹ = 12110206403 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327231 + ... + 362359.

It is an arithmetic number, because the mean of its divisors is an integer number (991192950).

Almost surely, 2^12112303555 is an apocalyptic number.

12112303555 is a deficient number, since it is larger than the sum of its proper divisors (3746783645).

12112303555 is a wasteful number, since it uses less digits than its factorization.

12112303555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41414.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 12112303555 its reverse (55530321121), we get a palindrome (67642624676).

The spelling of 12112303555 in words is "twelve billion, one hundred twelve million, three hundred three thousand, five hundred fifty-five".