12104210623565 has 8 divisors (see below), whose sum is σ = 14525157383520. Its totient is φ = 9683298742032.

The previous prime is 12104210623559. The next prime is 12104210623619. The reversal of 12104210623565 is 56532601240121.

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

It is a cyclic number.

It is not a de Polignac number, because 12104210623565 - 2¹² = 12104210619469 is a prime.

It is a super-2 number, since 2×12104210623565² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7949939 + ... + 9349328.

It is an arithmetic number, because the mean of its divisors is an integer number (1815644672940).

Almost surely, 2^{12104210623565} is an apocalyptic number.

It is an amenable number.

12104210623565 is a deficient number, since it is larger than the sum of its proper divisors (2420946759955).

12104210623565 is a wasteful number, since it uses less digits than its factorization.

12104210623565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17439211.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 12104210623565 its reverse (56532601240121), we get a palindrome (68636811863686).

The spelling of 12104210623565 in words is "twelve trillion, one hundred four billion, two hundred ten million, six hundred twenty-three thousand, five hundred sixty-five".