12173474228 has 24 divisors (see below), whose sum is σ = 21497634312. Its totient is φ = 6031540224.

The previous prime is 12173474221. The next prime is 12173474231. The reversal of 12173474228 is 82247437121.

It can be written as a sum of positive squares in 4 ways, for example, as 7027133584 + 5146340644 = 83828^2 + 71738^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12173474221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167726 + ... + 229082.

It is an arithmetic number, because the mean of its divisors is an integer number (895734763).

Almost surely, 2^12173474228 is an apocalyptic number.

It is an amenable number.

12173474228 is a deficient number, since it is larger than the sum of its proper divisors (9324160084).

12173474228 is a wasteful number, since it uses less digits than its factorization.

12173474228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61811 (or 61809 counting only the distinct ones).

The product of its digits is 150528, while the sum is 41.

The spelling of 12173474228 in words is "twelve billion, one hundred seventy-three million, four hundred seventy-four thousand, two hundred twenty-eight".