12271109416 has 64 divisors (see below), whose sum is σ = 25089624000. Its totient is φ = 5604318720.

The previous prime is 12271109381. The next prime is 12271109419. The reversal of 12271109416 is 61490117221.

It is a super-2 number, since 2×12271109416² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12271109419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4128811 + ... + 4131781.

It is an arithmetic number, because the mean of its divisors is an integer number (392025375).

Almost surely, 2^12271109416 is an apocalyptic number.

It is an amenable number.

12271109416 is an abundant number, since it is smaller than the sum of its proper divisors (12818514584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12271109416 is a wasteful number, since it uses less digits than its factorization.

12271109416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962 (or 3958 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The spelling of 12271109416 in words is "twelve billion, two hundred seventy-one million, one hundred nine thousand, four hundred sixteen".