13023405012 has 48 divisors (see below), whose sum is σ = 31488343040. Its totient is φ = 4186492128.

The previous prime is 13023404983. The next prime is 13023405013. The reversal of 13023405012 is 21050432031.

It is a self number, because there is not a number n which added to its sum of digits gives 13023405012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023405013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118978 + ... + 200505.

Almost surely, 2^13023405012 is an apocalyptic number.

13023405012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13023405012 is an abundant number, since it is smaller than the sum of its proper divisors (18464938028).

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

13023405012 is a wasteful number, since it uses less digits than its factorization.

13023405012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319612 (or 319610 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 13023405012 its reverse (21050432031), we get a palindrome (34073837043).

The spelling of 13023405012 in words is "thirteen billion, twenty-three million, four hundred five thousand, twelve".