12112250455 has 16 divisors (see below), whose sum is σ = 15259714560. Its totient is φ = 9211628448.

The previous prime is 12112250443. The next prime is 12112250471. The reversal of 12112250455 is 55405221121.

It is a cyclic number.

It is not a de Polignac number, because 12112250455 - 2⁹ = 12112249943 is a prime.

It is a super-2 number, since 2×12112250455² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 304335 + ... + 341824.

It is an arithmetic number, because the mean of its divisors is an integer number (953732160).

Almost surely, 2^12112250455 is an apocalyptic number.

12112250455 is a deficient number, since it is larger than the sum of its proper divisors (3147464105).

12112250455 is a wasteful number, since it uses less digits than its factorization.

12112250455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646350.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 12112250455 its reverse (55405221121), we get a palindrome (67517471576).

The spelling of 12112250455 in words is "twelve billion, one hundred twelve million, two hundred fifty thousand, four hundred fifty-five".