12122222211210 has 64 divisors (see below), whose sum is σ = 29990717078400. Its totient is φ = 3133532858112.

The previous prime is 12122222211199. The next prime is 12122222211259. The reversal of 12122222211210 is 1211222222121.

12122222211210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 20000520 + ... + 20597699.

It is an arithmetic number, because the mean of its divisors is an integer number (468604954350).

Almost surely, 2^{12122222211210} is an apocalyptic number.

12122222211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122222211210 is an abundant number, since it is smaller than the sum of its proper divisors (17868494867190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122222211210 is a wasteful number, since it uses less digits than its factorization.

12122222211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40598535.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12122222211210 its reverse (1211222222121), we get a palindrome (13333444433331).

The spelling of 12122222211210 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred eleven thousand, two hundred ten".