12122001222011 has 8 divisors (see below), whose sum is σ = 12247106385360. Its totient is φ = 11996898835968.

The previous prime is 12122001222007. The next prime is 12122001222073. The reversal of 12122001222011 is 11022210022121.

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 12122001222011 - 2² = 12122001222007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12122001222311) 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, 8737775 + ... + 10029591.

It is an arithmetic number, because the mean of its divisors is an integer number (1530888298170).

Almost surely, 2^{12122001222011} is an apocalyptic number.

12122001222011 is a deficient number, since it is larger than the sum of its proper divisors (125105163349).

12122001222011 is an equidigital number, since it uses as much as digits as its factorization.

12122001222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388653.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12122001222011 its reverse (11022210022121), we get a palindrome (23144211244132).

The spelling of 12122001222011 in words is "twelve trillion, one hundred twenty-two billion, one million, two hundred twenty-two thousand, eleven".