12023320001 has 12 divisors (see below), whose sum is σ = 15103675776. Its totient is φ = 9368820120.

The previous prime is 12023319901. The next prime is 12023320003. The reversal of 12023320001 is 10002332021.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12023320001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12023320003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7096745 + ... + 7098438.

It is an arithmetic number, because the mean of its divisors is an integer number (1258639648).

Almost surely, 2^12023320001 is an apocalyptic number.

12023320001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12023320001 is a deficient number, since it is larger than the sum of its proper divisors (3080355775).

12023320001 is a wasteful number, since it uses less digits than its factorization.

12023320001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14195212 (or 14195201 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 12023320001 its reverse (10002332021), we get a palindrome (22025652022).

The spelling of 12023320001 in words is "twelve billion, twenty-three million, three hundred twenty thousand, one".