12144054286477 has 2 divisors, whose sum is σ = 12144054286478. Its totient is φ = 12144054286476.

The previous prime is 12144054286421. The next prime is 12144054286489. The reversal of 12144054286477 is 77468245044121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11301658898436 + 842395388041 = 3361794^2 + 917821^2 .

It is a cyclic number.

It is not a de Polignac number, because 12144054286477 - 2⁷ = 12144054286349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12144054206477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072027143238 + 6072027143239.

It is an arithmetic number, because the mean of its divisors is an integer number (6072027143239).

Almost surely, 2^{12144054286477} is an apocalyptic number.

It is an amenable number.

12144054286477 is a deficient number, since it is larger than the sum of its proper divisors (1).

12144054286477 is an equidigital number, since it uses as much as digits as its factorization.

12144054286477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12042240, while the sum is 55.

The spelling of 12144054286477 in words is "twelve trillion, one hundred forty-four billion, fifty-four million, two hundred eighty-six thousand, four hundred seventy-seven".