12993240004 has 6 divisors (see below), whose sum is σ = 22738170014. Its totient is φ = 6496620000.

The previous prime is 12993239957. The next prime is 12993240023. The reversal of 12993240004 is 40004239921.

It can be written as a sum of positive squares in only one way, i.e., 6601237504 + 6392002500 = 81248^2 + 79950^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1624154997 + ... + 1624155004.

Almost surely, 2^12993240004 is an apocalyptic number.

It is an amenable number.

12993240004 is a deficient number, since it is larger than the sum of its proper divisors (9744930010).

12993240004 is a wasteful number, since it uses less digits than its factorization.

12993240004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248310005 (or 3248310003 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 12993240004 its reverse (40004239921), we get a palindrome (52997479925).

The spelling of 12993240004 in words is "twelve billion, nine hundred ninety-three million, two hundred forty thousand, four".