1003123012 has 48 divisors (see below), whose sum is σ = 2041683840. Its totient is φ = 427756032.

The previous prime is 1003123007. The next prime is 1003123013. The reversal of 1003123012 is 2103213001.

1003123012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1003122983 and 1003123001.

It is not an unprimeable number, because it can be changed into a prime (1003123013) 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, 12838 + ... + 46594.

It is an arithmetic number, because the mean of its divisors is an integer number (42535080).

Almost surely, 2^1003123012 is an apocalyptic number.

It is an amenable number.

1003123012 is an abundant number, since it is smaller than the sum of its proper divisors (1038560828).

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

1003123012 is a wasteful number, since it uses less digits than its factorization.

1003123012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33820 (or 33818 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1003123012 is about 31672.1172642436. The cubic root of 1003123012 is about 1001.0399221870.

Adding to 1003123012 its reverse (2103213001), we get a palindrome (3106336013).

The spelling of 1003123012 in words is "one billion, three million, one hundred twenty-three thousand, twelve".