12212201211 has 8 divisors (see below), whose sum is σ = 18609068544. Its totient is φ = 6978400680.

The previous prime is 12212201207. The next prime is 12212201219. The reversal of 12212201211 is 11210221221.

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

It is not a de Polignac number, because 12212201211 - 2² = 12212201207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12212201219) 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, 290766675 + ... + 290766716.

It is an arithmetic number, because the mean of its divisors is an integer number (2326133568).

Almost surely, 2^12212201211 is an apocalyptic number.

12212201211 is a deficient number, since it is larger than the sum of its proper divisors (6396867333).

12212201211 is an equidigital number, since it uses as much as digits as its factorization.

12212201211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581533401.

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

Adding to 12212201211 its reverse (11210221221), we get a palindrome (23422422432).

The spelling of 12212201211 in words is "twelve billion, two hundred twelve million, two hundred one thousand, two hundred eleven".