12012221199 has 128 divisors (see below), whose sum is σ = 19785876480. Its totient is φ = 6397747200.

The previous prime is 12012221197. The next prime is 12012221227. The reversal of 12012221199 is 99112221021.

It is not a de Polignac number, because 12012221199 - 2¹ = 12012221197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012221197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 67107292 + ... + 67107470.

It is an arithmetic number, because the mean of its divisors is an integer number (154577160).

Almost surely, 2^12012221199 is an apocalyptic number.

12012221199 is a deficient number, since it is larger than the sum of its proper divisors (7773655281).

12012221199 is a wasteful number, since it uses less digits than its factorization.

12012221199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 12012221199 in words is "twelve billion, twelve million, two hundred twenty-one thousand, one hundred ninety-nine".