120024222809 has 2 divisors, whose sum is σ = 120024222810. Its totient is φ = 120024222808.

The previous prime is 120024222743. The next prime is 120024222811. The reversal of 120024222809 is 908222420021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116825189209 + 3199033600 = 341797^2 + 56560^2 .

It is a cyclic number.

It is not a de Polignac number, because 120024222809 - 2²⁰ = 120023174233 is a prime.

Together with 120024222811, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (120024222869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60012111404 + 60012111405.

It is an arithmetic number, because the mean of its divisors is an integer number (60012111405).

Almost surely, 2^120024222809 is an apocalyptic number.

It is an amenable number.

120024222809 is a deficient number, since it is larger than the sum of its proper divisors (1).

120024222809 is an equidigital number, since it uses as much as digits as its factorization.

120024222809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 120024222809 in words is "one hundred twenty billion, twenty-four million, two hundred twenty-two thousand, eight hundred nine".