113212499 has 8 divisors (see below), whose sum is σ = 114352128. Its totient is φ = 112077000.

The previous prime is 113212487. The next prime is 113212501. The reversal of 113212499 is 994212311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113212499 - 2¹⁶ = 113146963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113212199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94784 + ... + 95970.

It is an arithmetic number, because the mean of its divisors is an integer number (14294016).

Almost surely, 2^113212499 is an apocalyptic number.

113212499 is a deficient number, since it is larger than the sum of its proper divisors (1139629).

113212499 is a wasteful number, since it uses less digits than its factorization.

113212499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065.

The product of its digits is 3888, while the sum is 32.

The square root of 113212499 is about 10640.1362303309. The cubic root of 113212499 is about 483.7616746087.

It can be divided in two parts, 1132 and 12499, that added together give a palindrome (13631).

The spelling of 113212499 in words is "one hundred thirteen million, two hundred twelve thousand, four hundred ninety-nine".