12183785357 has 2 divisors, whose sum is σ = 12183785358. Its totient is φ = 12183785356.

The previous prime is 12183785353. The next prime is 12183785363. The reversal of 12183785357 is 75358738121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10224040996 + 1959744361 = 101114^2 + 44269^2 .

It is a cyclic number.

It is not a de Polignac number, because 12183785357 - 2² = 12183785353 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12183785353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6091892678 + 6091892679.

It is an arithmetic number, because the mean of its divisors is an integer number (6091892679).

Almost surely, 2^12183785357 is an apocalyptic number.

It is an amenable number.

12183785357 is a deficient number, since it is larger than the sum of its proper divisors (1).

12183785357 is an equidigital number, since it uses as much as digits as its factorization.

12183785357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 50.

The spelling of 12183785357 in words is "twelve billion, one hundred eighty-three million, seven hundred eighty-five thousand, three hundred fifty-seven".