12789100004 has 6 divisors (see below), whose sum is σ = 22380925014. Its totient is φ = 6394550000.

The previous prime is 12789099989. The next prime is 12789100007. The reversal of 12789100004 is 40000198721.

It can be written as a sum of positive squares in only one way, i.e., 12759961600 + 29138404 = 112960^2 + 5398^2 .

It is a super-2 number, since 2×12789100004² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12789100007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1598637497 + ... + 1598637504.

It is an arithmetic number, because the mean of its divisors is an integer number (3730154169).

Almost surely, 2^12789100004 is an apocalyptic number.

It is an amenable number.

12789100004 is a deficient number, since it is larger than the sum of its proper divisors (9591825010).

12789100004 is a wasteful number, since it uses less digits than its factorization.

12789100004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3197275005 (or 3197275003 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

Adding to 12789100004 its reverse (40000198721), we get a palindrome (52789298725).

The spelling of 12789100004 in words is "twelve billion, seven hundred eighty-nine million, one hundred thousand, four".