120302123309 has 2 divisors, whose sum is σ = 120302123310. Its totient is φ = 120302123308.

The previous prime is 120302123303. The next prime is 120302123351. The reversal of 120302123309 is 903321203021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73941574084 + 46360549225 = 271922^2 + 215315^2 .

It is an emirp because it is prime and its reverse (903321203021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120302123309 - 2²⁸ = 120033687853 is a prime.

It is a super-2 number, since 2×120302123309² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120302123303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60151061654 + 60151061655.

It is an arithmetic number, because the mean of its divisors is an integer number (60151061655).

Almost surely, 2^120302123309 is an apocalyptic number.

It is an amenable number.

120302123309 is a deficient number, since it is larger than the sum of its proper divisors (1).

120302123309 is an equidigital number, since it uses as much as digits as its factorization.

120302123309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 120302123309 in words is "one hundred twenty billion, three hundred two million, one hundred twenty-three thousand, three hundred nine".