12010020023 has 16 divisors (see below), whose sum is σ = 12702681600. Its totient is φ = 11323540800.

The previous prime is 12010019993. The next prime is 12010020047. The reversal of 12010020023 is 32002001021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12010020023 - 2¹⁴ = 12010003639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010019986 and 12010020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010020053) 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, 5107298 + ... + 5109648.

It is an arithmetic number, because the mean of its divisors is an integer number (793917600).

Almost surely, 2^12010020023 is an apocalyptic number.

12010020023 is a deficient number, since it is larger than the sum of its proper divisors (692661577).

12010020023 is a wasteful number, since it uses less digits than its factorization.

12010020023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542.

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

Adding to 12010020023 its reverse (32002001021), we get a palindrome (44012021044).

The spelling of 12010020023 in words is "twelve billion, ten million, twenty thousand, twenty-three".