12165985283 has 2 divisors, whose sum is σ = 12165985284. Its totient is φ = 12165985282.

The previous prime is 12165985267. The next prime is 12165985343. The reversal of 12165985283 is 38258956121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12165985283 - 2⁴ = 12165985267 is a prime.

It is a super-2 number, since 2×12165985283² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12165985243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6082992641 + 6082992642.

It is an arithmetic number, because the mean of its divisors is an integer number (6082992642).

Almost surely, 2^12165985283 is an apocalyptic number.

12165985283 is a deficient number, since it is larger than the sum of its proper divisors (1).

12165985283 is an equidigital number, since it uses as much as digits as its factorization.

12165985283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 50.

The spelling of 12165985283 in words is "twelve billion, one hundred sixty-five million, nine hundred eighty-five thousand, two hundred eighty-three".