12002000001023 has 4 divisors (see below), whose sum is σ = 12523826088048. Its totient is φ = 11480173914000.

The previous prime is 12002000001011. The next prime is 12002000001073. The reversal of 12002000001023 is 32010000020021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12002000001023 - 2⁴ = 12002000001007 is a prime.

It is a super-3 number, since 3×12002000001023³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12002000000995 and 12002000001013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002000001073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260913043478 + ... + 260913043523.

It is an arithmetic number, because the mean of its divisors is an integer number (3130956522012).

Almost surely, 2^{12002000001023} is an apocalyptic number.

12002000001023 is a deficient number, since it is larger than the sum of its proper divisors (521826087025).

12002000001023 is an equidigital number, since it uses as much as digits as its factorization.

12002000001023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521826087024.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12002000001023 its reverse (32010000020021), we get a palindrome (44012000021044).

The spelling of 12002000001023 in words is "twelve trillion, two billion, one thousand, twenty-three".