12012000221023 has 4 divisors (see below), whose sum is σ = 13104000241128. Its totient is φ = 10920000200920.

The previous prime is 12012000220999. The next prime is 12012000221041. The reversal of 12012000221023 is 32012200021021.

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 12012000221023 - 2³⁷ = 11874561267551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12012000220988 and 12012000221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012000221323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546000010036 + ... + 546000010057.

It is an arithmetic number, because the mean of its divisors is an integer number (3276000060282).

Almost surely, 2^{12012000221023} is an apocalyptic number.

12012000221023 is a deficient number, since it is larger than the sum of its proper divisors (1092000020105).

12012000221023 is a wasteful number, since it uses less digits than its factorization.

12012000221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092000020104.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12012000221023 its reverse (32012200021021), we get a palindrome (44024200242044).

The spelling of 12012000221023 in words is "twelve trillion, twelve billion, two hundred twenty-one thousand, twenty-three".