2003112999 has 12 divisors (see below), whose sum is σ = 2912548912. Its totient is φ = 1326564000.

The previous prime is 2003112977. The next prime is 2003113039. The reversal of 2003112999 is 9992113002.

It is a happy number.

It is not a de Polignac number, because 2003112999 - 2⁵ = 2003112967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003112299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 735622 + ... + 738339.

Almost surely, 2^2003112999 is an apocalyptic number.

2003112999 is a deficient number, since it is larger than the sum of its proper divisors (909435913).

2003112999 is a wasteful number, since it uses less digits than its factorization.

2003112999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474118 (or 1474115 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 36.

The square root of 2003112999 is about 44756.1504041623. The cubic root of 2003112999 is about 1260.5743998605.

The spelling of 2003112999 in words is "two billion, three million, one hundred twelve thousand, nine hundred ninety-nine".