12182177739971 has 2 divisors, whose sum is σ = 12182177739972. Its totient is φ = 12182177739970.

The previous prime is 12182177739947. The next prime is 12182177740021. The reversal of 12182177739971 is 17993777128121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12182177739971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12182177739898 and 12182177739907.

It is not a weakly prime, because it can be changed into another prime (12182177739931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6091088869985 + 6091088869986.

It is an arithmetic number, because the mean of its divisors is an integer number (6091088869986).

Almost surely, 2^{12182177739971} is an apocalyptic number.

12182177739971 is a deficient number, since it is larger than the sum of its proper divisors (1).

12182177739971 is an equidigital number, since it uses as much as digits as its factorization.

12182177739971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18670176, while the sum is 65.

The spelling of 12182177739971 in words is "twelve trillion, one hundred eighty-two billion, one hundred seventy-seven million, seven hundred thirty-nine thousand, nine hundred seventy-one".