1002443012 has 48 divisors (see below), whose sum is σ = 1916627328. Its totient is φ = 456952320.

The previous prime is 1002443011. The next prime is 1002443027. The reversal of 1002443012 is 2103442001.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (1002443011) 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, 276113 + ... + 279719.

It is an arithmetic number, because the mean of its divisors is an integer number (39929736).

Almost surely, 2^1002443012 is an apocalyptic number.

It is an amenable number.

1002443012 is a deficient number, since it is larger than the sum of its proper divisors (914184316).

1002443012 is a wasteful number, since it uses less digits than its factorization.

1002443012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3756 (or 3754 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1002443012 is about 31661.3804500057. The cubic root of 1002443012 is about 1000.8136750866.

Adding to 1002443012 its reverse (2103442001), we get a palindrome (3105885013).

The spelling of 1002443012 in words is "one billion, two million, four hundred forty-three thousand, twelve".