12569801442 has 16 divisors (see below), whose sum is σ = 27425021472. Its totient is φ = 3809030720.

The previous prime is 12569801393. The next prime is 12569801449. The reversal of 12569801442 is 24410896521.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12569801394 and 12569801403.

It is not an unprimeable number, because it can be changed into a prime (12569801449) 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, 95225703 + ... + 95225834.

It is an arithmetic number, because the mean of its divisors is an integer number (1714063842).

Almost surely, 2^12569801442 is an apocalyptic number.

12569801442 is an abundant number, since it is smaller than the sum of its proper divisors (14855220030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12569801442 is a wasteful number, since it uses less digits than its factorization.

12569801442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190451553.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 12569801442 in words is "twelve billion, five hundred sixty-nine million, eight hundred one thousand, four hundred forty-two".