12021201211222 has 32 divisors (see below), whose sum is σ = 21114707423040. Its totient is φ = 5025261150720.

The previous prime is 12021201211207. The next prime is 12021201211241. The reversal of 12021201211222 is 22211210212021.

It is a self number, because there is not a number n which added to its sum of digits gives 12021201211222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684658 + ... + 4950874.

It is an arithmetic number, because the mean of its divisors is an integer number (659834606970).

Almost surely, 2^{12021201211222} is an apocalyptic number.

12021201211222 is a deficient number, since it is larger than the sum of its proper divisors (9093506211818).

12021201211222 is a wasteful number, since it uses less digits than its factorization.

12021201211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4271176.

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

Adding to 12021201211222 its reverse (22211210212021), we get a palindrome (34232411423243).

The spelling of 12021201211222 in words is "twelve trillion, twenty-one billion, two hundred one million, two hundred eleven thousand, two hundred twenty-two".