112512399 has 4 divisors (see below), whose sum is σ = 150016536. Its totient is φ = 75008264.

The previous prime is 112512397. The next prime is 112512401. The reversal of 112512399 is 993215211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 993215211 = 3 ⋅331071737.

It is an interprime number because it is at equal distance from previous prime (112512397) and next prime (112512401).

It is a cyclic number.

It is not a de Polignac number, because 112512399 - 2¹ = 112512397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112512391) 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, 18752064 + ... + 18752069.

It is an arithmetic number, because the mean of its divisors is an integer number (37504134).

Almost surely, 2^112512399 is an apocalyptic number.

112512399 is a deficient number, since it is larger than the sum of its proper divisors (37504137).

112512399 is an equidigital number, since it uses as much as digits as its factorization.

112512399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37504136.

The product of its digits is 4860, while the sum is 33.

The square root of 112512399 is about 10607.1861961597. The cubic root of 112512399 is about 482.7624266185.

The spelling of 112512399 in words is "one hundred twelve million, five hundred twelve thousand, three hundred ninety-nine".