104404212321 has 4 divisors (see below), whose sum is σ = 139205616432. Its totient is φ = 69602808212.

The previous prime is 104404212313. The next prime is 104404212329. The reversal of 104404212321 is 123212404401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (104404212313) and next prime (104404212329).

It is a cyclic number.

It is not a de Polignac number, because 104404212321 - 2³ = 104404212313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104404212291 and 104404212300.

It is not an unprimeable number, because it can be changed into a prime (104404212329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17400702051 + ... + 17400702056.

It is an arithmetic number, because the mean of its divisors is an integer number (34801404108).

Almost surely, 2^104404212321 is an apocalyptic number.

It is an amenable number.

104404212321 is a deficient number, since it is larger than the sum of its proper divisors (34801404111).

104404212321 is an equidigital number, since it uses as much as digits as its factorization.

104404212321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34801404110.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 104404212321 its reverse (123212404401), we get a palindrome (227616616722).

The spelling of 104404212321 in words is "one hundred four billion, four hundred four million, two hundred twelve thousand, three hundred twenty-one".