12272028946 has 16 divisors (see below), whose sum is σ = 19345227264. Its totient is φ = 5831333424.

The previous prime is 12272028943. The next prime is 12272028947. The reversal of 12272028946 is 64982027221.

It is a happy number.

12272028946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (12272028943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1925170 + ... + 1931533.

It is an arithmetic number, because the mean of its divisors is an integer number (1209076704).

Almost surely, 2^12272028946 is an apocalyptic number.

12272028946 is a deficient number, since it is larger than the sum of its proper divisors (7073198318).

12272028946 is a wasteful number, since it uses less digits than its factorization.

12272028946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856785.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 12272028946 in words is "twelve billion, two hundred seventy-two million, twenty-eight thousand, nine hundred forty-six".