2012112003 has 16 divisors (see below), whose sum is σ = 2929453056. Its totient is φ = 1218318240.

The previous prime is 2012111999. The next prime is 2012112007. The reversal of 2012112003 is 3002112102.

It is an interprime number because it is at equal distance from previous prime (2012111999) and next prime (2012112007).

It is not a de Polignac number, because 2012112003 - 2² = 2012111999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012112003.

It is not an unprimeable number, because it can be changed into a prime (2012112007) 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, 7825 + ... + 63917.

It is an arithmetic number, because the mean of its divisors is an integer number (183090816).

Almost surely, 2^2012112003 is an apocalyptic number.

2012112003 is a deficient number, since it is larger than the sum of its proper divisors (917341053).

2012112003 is a wasteful number, since it uses less digits than its factorization.

2012112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57194.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2012112003 is about 44856.5714583716. The cubic root of 2012112003 is about 1262.4592941553.

Adding to 2012112003 its reverse (3002112102), we get a palindrome (5014224105).

Subtracting 2012112003 from its reverse (3002112102), we obtain a palindrome (990000099).

The spelling of 2012112003 in words is "two billion, twelve million, one hundred twelve thousand, three".