12104020213 has 8 divisors (see below), whose sum is σ = 12933601560. Its totient is φ = 11287503360.

The previous prime is 12104020171. The next prime is 12104020217. The reversal of 12104020213 is 31202040121.

It can be written as a sum of positive squares in 4 ways, for example, as 8672638129 + 3431382084 = 93127^2 + 58578^2 .

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-12104020213 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 (12104020217) 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, 3264208 + ... + 3267913.

It is an arithmetic number, because the mean of its divisors is an integer number (1616700195).

Almost surely, 2^12104020213 is an apocalyptic number.

It is an amenable number.

12104020213 is a deficient number, since it is larger than the sum of its proper divisors (829581347).

12104020213 is a wasteful number, since it uses less digits than its factorization.

12104020213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6532247.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12104020213 its reverse (31202040121), we get a palindrome (43306060334).

The spelling of 12104020213 in words is "twelve billion, one hundred four million, twenty thousand, two hundred thirteen".