12528303722 has 16 divisors (see below), whose sum is σ = 20789607744. Its totient is φ = 5614476000.

The previous prime is 12528303721. The next prime is 12528303779. The reversal of 12528303722 is 22730382521.

It is not an unprimeable number, because it can be changed into a prime (12528303721) 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, 4008779 + ... + 4011902.

It is an arithmetic number, because the mean of its divisors is an integer number (1299350484).

Almost surely, 2^12528303722 is an apocalyptic number.

12528303722 is a deficient number, since it is larger than the sum of its proper divisors (8261304022).

12528303722 is a wasteful number, since it uses less digits than its factorization.

12528303722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8020765.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 12528303722 in words is "twelve billion, five hundred twenty-eight million, three hundred three thousand, seven hundred twenty-two".