249203012 has 12 divisors (see below), whose sum is σ = 459058320. Its totient is φ = 118043496.

The previous prime is 249202981. The next prime is 249203033. The reversal of 249203012 is 210302942.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639418 + ... + 1639569.

It is an arithmetic number, because the mean of its divisors is an integer number (38254860).

Almost surely, 2^249203012 is an apocalyptic number.

It is an amenable number.

249203012 is a deficient number, since it is larger than the sum of its proper divisors (209855308).

249203012 is a wasteful number, since it uses less digits than its factorization.

249203012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3279010 (or 3279008 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 249203012 is about 15786.1652088150. The cubic root of 249203012 is about 629.2903843450.

Adding to 249203012 its reverse (210302942), we get a palindrome (459505954).

The spelling of 249203012 in words is "two hundred forty-nine million, two hundred three thousand, twelve".