1203103012 has 6 divisors (see below), whose sum is σ = 2105430278. Its totient is φ = 601551504.

The previous prime is 1203103007. The next prime is 1203103037. The reversal of 1203103012 is 2103013021.

It can be written as a sum of positive squares in only one way, i.e., 727165156 + 475937856 = 26966^2 + 21816^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1203102983 and 1203103001.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150387873 + ... + 150387880.

Almost surely, 2^1203103012 is an apocalyptic number.

It is an amenable number.

1203103012 is a deficient number, since it is larger than the sum of its proper divisors (902327266).

1203103012 is a wasteful number, since it uses less digits than its factorization.

1203103012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300775757 (or 300775755 counting only the distinct ones).

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

The square root of 1203103012 is about 34685.7753553240. The cubic root of 1203103012 is about 1063.5737370007.

Adding to 1203103012 its reverse (2103013021), we get a palindrome (3306116033).

The spelling of 1203103012 in words is "one billion, two hundred three million, one hundred three thousand, twelve".