1203043012 has 24 divisors (see below), whose sum is σ = 2289420504. Its totient is φ = 550835712.

The previous prime is 1203043003. The next prime is 1203043013. The reversal of 1203043012 is 2103403021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 977562756 + 225480256 = 31266^2 + 15016^2 .

It is not an unprimeable number, because it can be changed into a prime (1203043013) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 236563 + ... + 241594.

It is an arithmetic number, because the mean of its divisors is an integer number (95392521).

Almost surely, 2^1203043012 is an apocalyptic number.

It is an amenable number.

1203043012 is a deficient number, since it is larger than the sum of its proper divisors (1086377492).

1203043012 is a wasteful number, since it uses less digits than its factorization.

1203043012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478215 (or 478213 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1203043012 is about 34684.9104366726. The cubic root of 1203043012 is about 1063.5560561968.

Adding to 1203043012 its reverse (2103403021), we get a palindrome (3306446033).

The spelling of 1203043012 in words is "one billion, two hundred three million, forty-three thousand, twelve".