1003021012 has 48 divisors (see below), whose sum is σ = 2181489408. Its totient is φ = 393638400.

The previous prime is 1003020983. The next prime is 1003021013. The reversal of 1003021012 is 2101203001.

It is a self number, because there is not a number n which added to its sum of digits gives 1003021012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003021013) 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, 10864 + ... + 46087.

It is an arithmetic number, because the mean of its divisors is an integer number (45447696).

Almost surely, 2^1003021012 is an apocalyptic number.

It is an amenable number.

1003021012 is an abundant number, since it is smaller than the sum of its proper divisors (1178468396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003021012 is a wasteful number, since it uses less digits than its factorization.

1003021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57016 (or 57014 counting only the distinct ones).

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

The square root of 1003021012 is about 31670.5069741550. The cubic root of 1003021012 is about 1001.0059916415.

Adding to 1003021012 its reverse (2101203001), we get a palindrome (3104224013).

The spelling of 1003021012 in words is "one billion, three million, twenty-one thousand, twelve".