12201021211222 has 8 divisors (see below), whose sum is σ = 18393499314000. Its totient is φ = 6069854773224.

The previous prime is 12201021211177. The next prime is 12201021211229. The reversal of 12201021211222 is 22211212010221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12201021211222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201021211229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15327915697 + ... + 15327916492.

It is an arithmetic number, because the mean of its divisors is an integer number (2299187414250).

Almost surely, 2^{12201021211222} is an apocalyptic number.

12201021211222 is a deficient number, since it is larger than the sum of its proper divisors (6192478102778).

12201021211222 is a wasteful number, since it uses less digits than its factorization.

12201021211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30655832390.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12201021211222 its reverse (22211212010221), we get a palindrome (34412233221443).

The spelling of 12201021211222 in words is "twelve trillion, two hundred one billion, twenty-one million, two hundred eleven thousand, two hundred twenty-two".