2103103012 has 6 divisors (see below), whose sum is σ = 3680430278. Its totient is φ = 1051551504.

The previous prime is 2103103001. The next prime is 2103103021. The reversal of 2103103012 is 2103013012.

It can be written as a sum of positive squares in only one way, i.e., 1426270756 + 676832256 = 37766^2 + 26016^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2103102983 and 2103103001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262887873 + ... + 262887880.

Almost surely, 2^2103103012 is an apocalyptic number.

It is an amenable number.

2103103012 is a deficient number, since it is larger than the sum of its proper divisors (1577327266).

2103103012 is a wasteful number, since it uses less digits than its factorization.

2103103012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525775757 (or 525775755 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2103103012 is about 45859.6010885398. The cubic root of 2103103012 is about 1281.2095930719.

Adding to 2103103012 its reverse (2103013012), we get a palindrome (4206116024).

Subtracting from 2103103012 its reverse (2103013012), we obtain a square (90000 = 300²).

The spelling of 2103103012 in words is "two billion, one hundred three million, one hundred three thousand, twelve".