12010123321 has 8 divisors (see below), whose sum is σ = 13795531200. Its totient is φ = 10242134448.

The previous prime is 12010123303. The next prime is 12010123351. The reversal of 12010123321 is 12332101021.

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

It is not a de Polignac number, because 12010123321 - 2⁵ = 12010123289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010123295 and 12010123304.

It is not an unprimeable number, because it can be changed into a prime (12010123351) 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, 4353271 + ... + 4356028.

It is an arithmetic number, because the mean of its divisors is an integer number (1724441400).

Almost surely, 2^12010123321 is an apocalyptic number.

It is an amenable number.

12010123321 is a deficient number, since it is larger than the sum of its proper divisors (1785407879).

12010123321 is an equidigital number, since it uses as much as digits as its factorization.

12010123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8709503.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12010123321 its reverse (12332101021), we get a palindrome (24342224342).

The spelling of 12010123321 in words is "twelve billion, ten million, one hundred twenty-three thousand, three hundred twenty-one".