12789486212 has 6 divisors (see below), whose sum is σ = 22381600878. Its totient is φ = 6394743104.

The previous prime is 12789486211. The next prime is 12789486217. The reversal of 12789486212 is 21268498721.

It can be written as a sum of positive squares in only one way, i.e., 9740900416 + 3048585796 = 98696^2 + 55214^2 .

It is not an unprimeable number, because it can be changed into a prime (12789486211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1598685773 + ... + 1598685780.

It is an arithmetic number, because the mean of its divisors is an integer number (3730266813).

Almost surely, 2^12789486212 is an apocalyptic number.

It is an amenable number.

12789486212 is a deficient number, since it is larger than the sum of its proper divisors (9592114666).

12789486212 is a wasteful number, since it uses less digits than its factorization.

12789486212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197371557 (or 3197371555 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The spelling of 12789486212 in words is "twelve billion, seven hundred eighty-nine million, four hundred eighty-six thousand, two hundred twelve".