2012021201222 has 64 divisors (see below), whose sum is σ = 3149313592320. Its totient is φ = 963431040000.

The previous prime is 2012021201161. The next prime is 2012021201233. The reversal of 2012021201222 is 2221021202102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012021201222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554121347 + ... + 554124977.

It is an arithmetic number, because the mean of its divisors is an integer number (49208024880).

Almost surely, 2^{2012021201222} is an apocalyptic number.

2012021201222 is a deficient number, since it is larger than the sum of its proper divisors (1137292391098).

2012021201222 is a wasteful number, since it uses less digits than its factorization.

2012021201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2012021201222 its reverse (2221021202102), we get a palindrome (4233042403324).

The spelling of 2012021201222 in words is "two trillion, twelve billion, twenty-one million, two hundred one thousand, two hundred twenty-two".