12104405142013 has 8 divisors (see below), whose sum is σ = 12195193648248. Its totient is φ = 12013948587264.

The previous prime is 12104405141989. The next prime is 12104405142083. The reversal of 12104405142013 is 31024150440121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20174509369 + 12084230632644 = 142037^2 + 3476238^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12104405142013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12104405142083) 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, 82914670 + ... + 83060527.

It is an arithmetic number, because the mean of its divisors is an integer number (1524399206031).

Almost surely, 2^{12104405142013} is an apocalyptic number.

It is an amenable number.

12104405142013 is a deficient number, since it is larger than the sum of its proper divisors (90788506235).

12104405142013 is a wasteful number, since it uses less digits than its factorization.

12104405142013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165975743.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 12104405142013 its reverse (31024150440121), we get a palindrome (43128555582134).

The spelling of 12104405142013 in words is "twelve trillion, one hundred four billion, four hundred five million, one hundred forty-two thousand, thirteen".