12023201011 has 4 divisors (see below), whose sum is σ = 12109699000. Its totient is φ = 11936703024.

The previous prime is 12023201009. The next prime is 12023201039. The reversal of 12023201011 is 11010232021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11010232021 = 2339 ⋅4707239.

It is a cyclic number.

It is not a de Polignac number, because 12023201011 - 2¹ = 12023201009 is a prime.

It is a super-2 number, since 2×12023201011² (a number of 21 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 = 12023200982 and 12023201000.

It is not an unprimeable number, because it can be changed into a prime (12023201051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43248786 + ... + 43249063.

It is an arithmetic number, because the mean of its divisors is an integer number (3027424750).

Almost surely, 2^12023201011 is an apocalyptic number.

12023201011 is a deficient number, since it is larger than the sum of its proper divisors (86497989).

12023201011 is an equidigital number, since it uses as much as digits as its factorization.

12023201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86497988.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 12023201011 its reverse (11010232021), we get a palindrome (23033433032).

It can be divided in two parts, 120232010 and 11, that added together give a palindrome (120232021).

The spelling of 12023201011 in words is "twelve billion, twenty-three million, two hundred one thousand, eleven".