12212212201 has 8 divisors (see below), whose sum is σ = 14092317824. Its totient is φ = 10365982560.

The previous prime is 12212212031. The next prime is 12212212211. The reversal of 12212212201 is 10221221221.

It is a happy number.

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 12212212201 - 2¹⁷ = 12212081129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12212212211) 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, 8468220 + ... + 8469661.

It is an arithmetic number, because the mean of its divisors is an integer number (1761539728).

Almost surely, 2^12212212201 is an apocalyptic number.

It is an amenable number.

12212212201 is a deficient number, since it is larger than the sum of its proper divisors (1880105623).

12212212201 is a wasteful number, since it uses less digits than its factorization.

12212212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16937991.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12212212201 its reverse (10221221221), we get a palindrome (22433433422).

It can be divided in two parts, 1221221220 and 1, that added together give a palindrome (1221221221).

The spelling of 12212212201 in words is "twelve billion, two hundred twelve million, two hundred twelve thousand, two hundred one".