1023013012 has 24 divisors (see below), whose sum is σ = 2166381504. Its totient is φ = 412643712.

The previous prime is 1023013007. The next prime is 1023013073. The reversal of 1023013012 is 2103103201.

It is a junction number, because it is equal to n+sod(n) for n = 1023012983 and 1023013001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074118 + ... + 1075069.

It is an arithmetic number, because the mean of its divisors is an integer number (90265896).

Almost surely, 2^1023013012 is an apocalyptic number.

It is an amenable number.

1023013012 is an abundant number, since it is smaller than the sum of its proper divisors (1143368492).

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

1023013012 is a wasteful number, since it uses less digits than its factorization.

1023013012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149215 (or 2149213 counting only the distinct ones).

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

The square root of 1023013012 is about 31984.5745946386. The cubic root of 1023013012 is about 1007.6129006716.

Adding to 1023013012 its reverse (2103103201), we get a palindrome (3126116213).

The spelling of 1023013012 in words is "one billion, twenty-three million, thirteen thousand, twelve".