12001222211001 has 8 divisors (see below), whose sum is σ = 16151177555424. Its totient is φ = 7926040836960.

The previous prime is 12001222210933. The next prime is 12001222211003. The reversal of 12001222211001 is 10011222210021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12001222211001 - 2¹¹ = 12001222208953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001222211003) 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, 18693492220 + ... + 18693492861.

It is an arithmetic number, because the mean of its divisors is an integer number (2018897194428).

Almost surely, 2^{12001222211001} is an apocalyptic number.

It is an amenable number.

12001222211001 is a deficient number, since it is larger than the sum of its proper divisors (4149955344423).

12001222211001 is a wasteful number, since it uses less digits than its factorization.

12001222211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37386985191.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12001222211001 its reverse (10011222210021), we get a palindrome (22012444421022).

The spelling of 12001222211001 in words is "twelve trillion, one billion, two hundred twenty-two million, two hundred eleven thousand, one".