2003112312 has 64 divisors (see below), whose sum is σ = 5307288480. Its totient is φ = 627843072.

The previous prime is 2003112311. The next prime is 2003112313. The reversal of 2003112312 is 2132113002.

It is an interprime number because it is at equal distance from previous prime (2003112311) and next prime (2003112313).

It is a junction number, because it is equal to n+sod(n) for n = 2003112291 and 2003112300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003112311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 705648 + ... + 708480.

Almost surely, 2^2003112312 is an apocalyptic number.

It is an amenable number.

2003112312 is an abundant number, since it is smaller than the sum of its proper divisors (3304176168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003112312 is a wasteful number, since it uses less digits than its factorization.

2003112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592 (or 4588 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2003112312 is about 44756.1427292389. The cubic root of 2003112312 is about 1260.5742557490.

Adding to 2003112312 its reverse (2132113002), we get a palindrome (4135225314).

The spelling of 2003112312 in words is "two billion, three million, one hundred twelve thousand, three hundred twelve".