12212001199 has 4 divisors (see below), whose sum is σ = 12255460560. Its totient is φ = 12168541840.

The previous prime is 12212001163. The next prime is 12212001209. The reversal of 12212001199 is 99110021221.

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

It is a cyclic number.

It is not a de Polignac number, because 12212001199 - 2¹⁷ = 12211870127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212001149) 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, 21729259 + ... + 21729820.

It is an arithmetic number, because the mean of its divisors is an integer number (3063865140).

Almost surely, 2^12212001199 is an apocalyptic number.

12212001199 is a deficient number, since it is larger than the sum of its proper divisors (43459361).

12212001199 is an equidigital number, since it uses as much as digits as its factorization.

12212001199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43459360.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 12212001199 in words is "twelve billion, two hundred twelve million, one thousand, one hundred ninety-nine".