12272771885 has 16 divisors (see below), whose sum is σ = 16172583552. Its totient is φ = 8866536000.

The previous prime is 12272771881. The next prime is 12272771911. The reversal of 12272771885 is 58817727221.

It is not a de Polignac number, because 12272771885 - 2² = 12272771881 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272771881) 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, 730574 + ... + 747183.

It is an arithmetic number, because the mean of its divisors is an integer number (1010786472).

Almost surely, 2^12272771885 is an apocalyptic number.

It is an amenable number.

12272771885 is a deficient number, since it is larger than the sum of its proper divisors (3899811667).

12272771885 is a wasteful number, since it uses less digits than its factorization.

12272771885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477924.

The product of its digits is 878080, while the sum is 50.

The spelling of 12272771885 in words is "twelve billion, two hundred seventy-two million, seven hundred seventy-one thousand, eight hundred eighty-five".