1001023012 has 48 divisors (see below), whose sum is σ = 1989816192. Its totient is φ = 436596480.

The previous prime is 1001023003. The next prime is 1001023013. The reversal of 1001023012 is 2103201001.

1001023012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1001023012.

It is not an unprimeable number, because it can be changed into a prime (1001023013) 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, 114633 + ... + 123055.

It is an arithmetic number, because the mean of its divisors is an integer number (41454504).

Almost surely, 2^1001023012 is an apocalyptic number.

It is an amenable number.

1001023012 is a deficient number, since it is larger than the sum of its proper divisors (988793180).

1001023012 is a wasteful number, since it uses less digits than its factorization.

1001023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8548 (or 8546 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1001023012 is about 31638.9477069007. The cubic root of 1001023012 is about 1000.3408877823.

Adding to 1001023012 its reverse (2103201001), we get a palindrome (3104224013).

The spelling of 1001023012 in words is "one billion, one million, twenty-three thousand, twelve".