12272181932 has 6 divisors (see below), whose sum is σ = 21476318388. Its totient is φ = 6136090964.

The previous prime is 12272181931. The next prime is 12272181953. The reversal of 12272181932 is 23918127221.

It is not an unprimeable number, because it can be changed into a prime (12272181931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1534022738 + ... + 1534022745.

It is an arithmetic number, because the mean of its divisors is an integer number (3579386398).

Almost surely, 2^12272181932 is an apocalyptic number.

It is an amenable number.

12272181932 is a deficient number, since it is larger than the sum of its proper divisors (9204136456).

12272181932 is a wasteful number, since it uses less digits than its factorization.

12272181932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3068045487 (or 3068045485 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The spelling of 12272181932 in words is "twelve billion, two hundred seventy-two million, one hundred eighty-one thousand, nine hundred thirty-two".