12277474943 has 2 divisors, whose sum is σ = 12277474944. Its totient is φ = 12277474942.

The previous prime is 12277474933. The next prime is 12277474981. The reversal of 12277474943 is 34947477221.

It is a weak prime.

It is an emirp because it is prime and its reverse (34947477221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12277474943 - 2²⁴ = 12260697727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12277474891 and 12277474900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12277474933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6138737471 + 6138737472.

It is an arithmetic number, because the mean of its divisors is an integer number (6138737472).

Almost surely, 2^12277474943 is an apocalyptic number.

12277474943 is a deficient number, since it is larger than the sum of its proper divisors (1).

12277474943 is an equidigital number, since it uses as much as digits as its factorization.

12277474943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2370816, while the sum is 50.

The spelling of 12277474943 in words is "twelve billion, two hundred seventy-seven million, four hundred seventy-four thousand, nine hundred forty-three".