12271551296 has 14 divisors (see below), whose sum is σ = 24351359730. Its totient is φ = 6135775616.

The previous prime is 12271551277. The next prime is 12271551323. The reversal of 12271551296 is 69215517221.

It can be written as a sum of positive squares in only one way, i.e., 11563991296 + 707560000 = 107536^2 + 26600^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95871431 + ... + 95871558.

Almost surely, 2^12271551296 is an apocalyptic number.

12271551296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12271551296 is a deficient number, since it is larger than the sum of its proper divisors (12079808434).

12271551296 is an equidigital number, since it uses as much as digits as its factorization.

12271551296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191743001 (or 191742991 counting only the distinct ones).

The product of its digits is 75600, while the sum is 41.

The spelling of 12271551296 in words is "twelve billion, two hundred seventy-one million, five hundred fifty-one thousand, two hundred ninety-six".