12040234330321 has 8 divisors (see below), whose sum is σ = 12659601954600. Its totient is φ = 11434479181440.

The previous prime is 12040234330307. The next prime is 12040234330337. The reversal of 12040234330321 is 12303343204021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 759442531600 + 11280791798721 = 871460^2 + 3358689^2 .

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 12040234330321 - 2²³ = 12040225941713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12040234330321.

It is not an unprimeable number, because it can be changed into a prime (12040234330361) 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, 3403117036 + ... + 3403120573.

It is an arithmetic number, because the mean of its divisors is an integer number (1582450244325).

Almost surely, 2^{12040234330321} is an apocalyptic number.

It is an amenable number.

12040234330321 is a deficient number, since it is larger than the sum of its proper divisors (619367624279).

12040234330321 is an equidigital number, since it uses as much as digits as its factorization.

12040234330321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6806237699.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 12040234330321 its reverse (12303343204021), we get a palindrome (24343577534342).

The spelling of 12040234330321 in words is "twelve trillion, forty billion, two hundred thirty-four million, three hundred thirty thousand, three hundred twenty-one".