12746504228 has 12 divisors (see below), whose sum is σ = 23276225280. Its totient is φ = 6096154152.

The previous prime is 12746504209. The next prime is 12746504237. The reversal of 12746504228 is 82240564721.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69274388 + ... + 69274571.

It is an arithmetic number, because the mean of its divisors is an integer number (1939685440).

Almost surely, 2^12746504228 is an apocalyptic number.

It is an amenable number.

12746504228 is a deficient number, since it is larger than the sum of its proper divisors (10529721052).

12746504228 is a wasteful number, since it uses less digits than its factorization.

12746504228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138548986 (or 138548984 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 12746504228 in words is "twelve billion, seven hundred forty-six million, five hundred four thousand, two hundred twenty-eight".