13012712228 has 6 divisors (see below), whose sum is σ = 22772246406. Its totient is φ = 6506356112.

The previous prime is 13012712129. The next prime is 13012712233. The reversal of 13012712228 is 82221721031.

13012712228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11382329344 + 1630382884 = 106688^2 + 40378^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13012712228.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1626589025 + ... + 1626589032.

It is an arithmetic number, because the mean of its divisors is an integer number (3795374401).

Almost surely, 2^13012712228 is an apocalyptic number.

It is an amenable number.

13012712228 is a deficient number, since it is larger than the sum of its proper divisors (9759534178).

13012712228 is a wasteful number, since it uses less digits than its factorization.

13012712228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3253178061 (or 3253178059 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The spelling of 13012712228 in words is "thirteen billion, twelve million, seven hundred twelve thousand, two hundred twenty-eight".