12122222211202 has 32 divisors (see below), whose sum is σ = 18677299045104. Its totient is φ = 5898745036800.

The previous prime is 12122222211199. The next prime is 12122222211259. The reversal of 12122222211202 is 20211222222121.

It can be written as a sum of positive squares in 8 ways, for example, as 4056957327721 + 8065264883481 = 2014189^2 + 2839941^2 .

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, 7192552 + ... + 8716492.

Almost surely, 2^{12122222211202} is an apocalyptic number.

12122222211202 is a deficient number, since it is larger than the sum of its proper divisors (6555076833902).

12122222211202 is a wasteful number, since it uses less digits than its factorization.

12122222211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524694.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 12122222211202 its reverse (20211222222121), we get a palindrome (32333444433323).

The spelling of 12122222211202 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred eleven thousand, two hundred two".