12001210121222 has 32 divisors (see below), whose sum is σ = 21237488154624. Its totient is φ = 4977384552000.

The previous prime is 12001210121189. The next prime is 12001210121273. The reversal of 12001210121222 is 22212101210021.

It is a self number, because there is not a number n which added to its sum of digits gives 12001210121222.

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, 35106722 + ... + 35446922.

It is an arithmetic number, because the mean of its divisors is an integer number (663671504832).

Almost surely, 2^{12001210121222} is an apocalyptic number.

12001210121222 is a deficient number, since it is larger than the sum of its proper divisors (9236278033402).

12001210121222 is a wasteful number, since it uses less digits than its factorization.

12001210121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421524.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12001210121222 its reverse (22212101210021), we get a palindrome (34213311331243).

The spelling of 12001210121222 in words is "twelve trillion, one billion, two hundred ten million, one hundred twenty-one thousand, two hundred twenty-two".