12020013223 has 2 divisors, whose sum is σ = 12020013224. Its totient is φ = 12020013222.

The previous prime is 12020013221. The next prime is 12020013241. The reversal of 12020013223 is 32231002021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12020013223 - 2¹ = 12020013221 is a prime.

Together with 12020013221, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12020013197 and 12020013206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12020013221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010006611 + 6010006612.

It is an arithmetic number, because the mean of its divisors is an integer number (6010006612).

Almost surely, 2^12020013223 is an apocalyptic number.

12020013223 is a deficient number, since it is larger than the sum of its proper divisors (1).

12020013223 is an equidigital number, since it uses as much as digits as its factorization.

12020013223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12020013223 its reverse (32231002021), we get a palindrome (44251015244).

The spelling of 12020013223 in words is "twelve billion, twenty million, thirteen thousand, two hundred twenty-three".