1112255243123 has 4 divisors (see below), whose sum is σ = 1112261063040. Its totient is φ = 1112249423208.

The previous prime is 1112255243111. The next prime is 1112255243137. The reversal of 1112255243123 is 3213425522111.

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

It is a cyclic number.

It is not a de Polignac number, because 1112255243123 - 2²⁸ = 1111986807667 is a prime.

It is a super-2 number, since 2×1112255243123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1112255243123.

It is not an unprimeable number, because it can be changed into a prime (1112255243423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2613203 + ... + 3008876.

It is an arithmetic number, because the mean of its divisors is an integer number (278065265760).

Almost surely, 2^{1112255243123} is an apocalyptic number.

1112255243123 is a deficient number, since it is larger than the sum of its proper divisors (5819917).

1112255243123 is an equidigital number, since it uses as much as digits as its factorization.

1112255243123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5819916.

The product of its digits is 14400, while the sum is 32.

The spelling of 1112255243123 in words is "one trillion, one hundred twelve billion, two hundred fifty-five million, two hundred forty-three thousand, one hundred twenty-three".