2012321103 has 16 divisors (see below), whose sum is σ = 3041566080. Its totient is φ = 1173174624.

The previous prime is 2012321099. The next prime is 2012321111. The reversal of 2012321103 is 3011232102.

It is not a de Polignac number, because 2012321103 - 2² = 2012321099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012321203) 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, 1357101 + ... + 1358582.

It is an arithmetic number, because the mean of its divisors is an integer number (190097880).

Almost surely, 2^2012321103 is an apocalyptic number.

2012321103 is a deficient number, since it is larger than the sum of its proper divisors (1029244977).

2012321103 is a wasteful number, since it uses less digits than its factorization.

2012321103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715718.

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

The square root of 2012321103 is about 44858.9021599950. The cubic root of 2012321103 is about 1262.5030245067.

Adding to 2012321103 its reverse (3011232102), we get a palindrome (5023553205).

The spelling of 2012321103 in words is "two billion, twelve million, three hundred twenty-one thousand, one hundred three".