12276617771 has 12 divisors (see below), whose sum is σ = 13627752432. Its totient is φ = 11050050000.

The previous prime is 12276617761. The next prime is 12276617783. The reversal of 12276617771 is 17771667221.

It is not a de Polignac number, because 12276617771 - 2¹⁸ = 12276355627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12276617761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490055 + ... + 514496.

It is an arithmetic number, because the mean of its divisors is an integer number (1135646036).

Almost surely, 2^12276617771 is an apocalyptic number.

12276617771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12276617771 is a deficient number, since it is larger than the sum of its proper divisors (1351134661).

12276617771 is a wasteful number, since it uses less digits than its factorization.

12276617771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004674 (or 1004663 counting only the distinct ones).

The product of its digits is 345744, while the sum is 47.

The spelling of 12276617771 in words is "twelve billion, two hundred seventy-six million, six hundred seventeen thousand, seven hundred seventy-one".