12001110221023 has 64 divisors (see below), whose sum is σ = 15303624118272. Its totient is φ = 9140791265280.

The previous prime is 12001110220943. The next prime is 12001110221029. The reversal of 12001110221023 is 32012201110021.

It is a cyclic number.

It is not a de Polignac number, because 12001110221023 - 2³⁷ = 11863671267551 is a prime.

It is a super-2 number, since 2×12001110221023² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001110220988 and 12001110221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001110221029) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 472044490 + ... + 472069912.

It is an arithmetic number, because the mean of its divisors is an integer number (239119126848).

Almost surely, 2^{12001110221023} is an apocalyptic number.

12001110221023 is a deficient number, since it is larger than the sum of its proper divisors (3302513897249).

12001110221023 is a wasteful number, since it uses less digits than its factorization.

12001110221023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26264.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12001110221023 its reverse (32012201110021), we get a palindrome (44013311331044).

The spelling of 12001110221023 in words is "twelve trillion, one billion, one hundred ten million, two hundred twenty-one thousand, twenty-three".