12112263155 has 4 divisors (see below), whose sum is σ = 14534715792. Its totient is φ = 9689810520.

The previous prime is 12112263143. The next prime is 12112263167. The reversal of 12112263155 is 55136221121.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12112263143) and next prime (12112263167).

It is a de Polignac number, because none of the positive numbers 2^k-12112263155 is a prime.

It is a super-3 number, since 3×12112263155³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1211226311 + ... + 1211226320.

It is an arithmetic number, because the mean of its divisors is an integer number (3633678948).

Almost surely, 2^12112263155 is an apocalyptic number.

12112263155 is a deficient number, since it is larger than the sum of its proper divisors (2422452637).

12112263155 is an equidigital number, since it uses as much as digits as its factorization.

12112263155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422452636.

The product of its digits is 3600, while the sum is 29.

Adding to 12112263155 its reverse (55136221121), we get a palindrome (67248484276).

The spelling of 12112263155 in words is "twelve billion, one hundred twelve million, two hundred sixty-three thousand, one hundred fifty-five".