12110402321 has 4 divisors (see below), whose sum is σ = 12338900532. Its totient is φ = 11881904112.

The previous prime is 12110402299. The next prime is 12110402329. The reversal of 12110402321 is 12320401121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8133334225 + 3977068096 = 90185^2 + 63064^2 .

It is a cyclic number.

It is not a de Polignac number, because 12110402321 - 2¹⁰ = 12110401297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12110402321.

It is not an unprimeable number, because it can be changed into a prime (12110402329) 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, 114249026 + ... + 114249131.

It is an arithmetic number, because the mean of its divisors is an integer number (3084725133).

Almost surely, 2^12110402321 is an apocalyptic number.

It is an amenable number.

12110402321 is a deficient number, since it is larger than the sum of its proper divisors (228498211).

12110402321 is an equidigital number, since it uses as much as digits as its factorization.

12110402321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228498210.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12110402321 its reverse (12320401121), we get a palindrome (24430803442).

The spelling of 12110402321 in words is "twelve billion, one hundred ten million, four hundred two thousand, three hundred twenty-one".