12020120023 has 2 divisors, whose sum is σ = 12020120024. Its totient is φ = 12020120022.

The previous prime is 12020119997. The next prime is 12020120069. The reversal of 12020120023 is 32002102021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12020120023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12020119985 and 12020120012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020120093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010060011 + 6010060012.

It is an arithmetic number, because the mean of its divisors is an integer number (6010060012).

Almost surely, 2^12020120023 is an apocalyptic number.

12020120023 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020120023 is an equidigital number, since it uses as much as digits as its factorization.

12020120023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 12020120023 its reverse (32002102021), we get a palindrome (44022222044).

The spelling of 12020120023 in words is "twelve billion, twenty million, one hundred twenty thousand, twenty-three".