12023001217 has 2 divisors, whose sum is σ = 12023001218. Its totient is φ = 12023001216.

The previous prime is 12023001139. The next prime is 12023001229. The reversal of 12023001217 is 71210032021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8180117136 + 3842884081 = 90444^2 + 61991^2 .

It is a cyclic number.

It is not a de Polignac number, because 12023001217 - 2¹⁵ = 12022968449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12023001194 and 12023001203.

It is not a weakly prime, because it can be changed into another prime (12023001017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6011500608 + 6011500609.

It is an arithmetic number, because the mean of its divisors is an integer number (6011500609).

Almost surely, 2^12023001217 is an apocalyptic number.

It is an amenable number.

12023001217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12023001217 is an equidigital number, since it uses as much as digits as its factorization.

12023001217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 12023001217 its reverse (71210032021), we get a palindrome (83233033238).

The spelling of 12023001217 in words is "twelve billion, twenty-three million, one thousand, two hundred seventeen".