12277116622771 has 48 divisors (see below), whose sum is σ = 16842148565760. Its totient is φ = 8642804627520.

The previous prime is 12277116622621. The next prime is 12277116622781. The reversal of 12277116622771 is 17722661177221.

It is not a de Polignac number, because 12277116622771 - 2³⁷ = 12139677669299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12277116622781) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 564901 + ... + 4987318.

It is an arithmetic number, because the mean of its divisors is an integer number (350878095120).

Almost surely, 2^{12277116622771} is an apocalyptic number.

12277116622771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12277116622771 is a deficient number, since it is larger than the sum of its proper divisors (4565031942989).

12277116622771 is a wasteful number, since it uses less digits than its factorization.

12277116622771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552344 (or 5552297 counting only the distinct ones).

The product of its digits is 1382976, while the sum is 52.

Adding to 12277116622771 its reverse (17722661177221), we get a palindrome (29999777799992).

The spelling of 12277116622771 in words is "twelve trillion, two hundred seventy-seven billion, one hundred sixteen million, six hundred twenty-two thousand, seven hundred seventy-one".