12000021303023 has 16 divisors (see below), whose sum is σ = 13248080356896. Its totient is φ = 10799340370560.

The previous prime is 12000021303007. The next prime is 12000021303031. The reversal of 12000021303023 is 32030312000021.

It is a cyclic number.

It is not a de Polignac number, because 12000021303023 - 2⁴ = 12000021303007 is a prime.

It is a super-2 number, since 2×12000021303023² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000021302992 and 12000021303010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000021305023) 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, 19537640 + ... + 20142477.

It is an arithmetic number, because the mean of its divisors is an integer number (828005022306).

Almost surely, 2^{12000021303023} is an apocalyptic number.

12000021303023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12000021303023 is a deficient number, since it is larger than the sum of its proper divisors (1248059053873).

12000021303023 is a wasteful number, since it uses less digits than its factorization.

12000021303023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39680714.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12000021303023 its reverse (32030312000021), we get a palindrome (44030333303044).

The spelling of 12000021303023 in words is "twelve trillion, twenty-one million, three hundred three thousand, twenty-three".