12014212321 has 2 divisors, whose sum is σ = 12014212322. Its totient is φ = 12014212320.

The previous prime is 12014212313. The next prime is 12014212337. The reversal of 12014212321 is 12321241021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11671777296 + 342435025 = 108036^2 + 18505^2 .

It is a cyclic number.

It is not a de Polignac number, because 12014212321 - 2³ = 12014212313 is a prime.

It is not a weakly prime, because it can be changed into another prime (12014212381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6007106160 + 6007106161.

It is an arithmetic number, because the mean of its divisors is an integer number (6007106161).

Almost surely, 2^12014212321 is an apocalyptic number.

It is an amenable number.

12014212321 is a deficient number, since it is larger than the sum of its proper divisors (1).

12014212321 is an equidigital number, since it uses as much as digits as its factorization.

12014212321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12014212321 its reverse (12321241021), we get a palindrome (24335453342).

The spelling of 12014212321 in words is "twelve billion, fourteen million, two hundred twelve thousand, three hundred twenty-one".