13201240104 has 96 divisors (see below), whose sum is σ = 39831409800. Its totient is φ = 3921845760.

The previous prime is 13201240099. The next prime is 13201240121. The reversal of 13201240104 is 40104210231.

13201240104 is a `hidden beast` number, since 1 + 320 + 1 + 240 + 104 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10609412004 + 2591828100 = 103002^2 + 50910^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216027 + ... + 270314.

Almost surely, 2^13201240104 is an apocalyptic number.

It is an amenable number.

13201240104 is an abundant number, since it is smaller than the sum of its proper divisors (26630169696).

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

13201240104 is a wasteful number, since it uses less digits than its factorization.

13201240104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486395 (or 486388 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 13201240104 its reverse (40104210231), we get a palindrome (53305450335).

The spelling of 13201240104 in words is "thirteen billion, two hundred one million, two hundred forty thousand, one hundred four".