12001012200023 has 32 divisors (see below), whose sum is σ = 16165751385600. Its totient is φ = 8801353438080.

The previous prime is 12001012199983. The next prime is 12001012200049. The reversal of 12001012200023 is 32000221010021.

It is a happy number.

It is not a de Polignac number, because 12001012200023 - 2¹⁴ = 12001012183639 is a prime.

It is a super-2 number, since 2×12001012200023² (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 = 12001012199980 and 12001012200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001012200323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93487661 + ... + 93615942.

It is an arithmetic number, because the mean of its divisors is an integer number (505179730800).

Almost surely, 2^{12001012200023} is an apocalyptic number.

12001012200023 is a deficient number, since it is larger than the sum of its proper divisors (4164739185577).

12001012200023 is a wasteful number, since it uses less digits than its factorization.

12001012200023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187103652 (or 187103638 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12001012200023 its reverse (32000221010021), we get a palindrome (44001233210044).

The spelling of 12001012200023 in words is "twelve trillion, one billion, twelve million, two hundred thousand, twenty-three".