12001222211110 has 32 divisors (see below), whose sum is σ = 23566290898464. Its totient is φ = 4364033664000.

The previous prime is 12001222211093. The next prime is 12001222211119. The reversal of 12001222211110 is 1111222210021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001222211119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10602300 + ... + 11679520.

It is an arithmetic number, because the mean of its divisors is an integer number (736446590577).

Almost surely, 2^{12001222211110} is an apocalyptic number.

12001222211110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001222211110 is a deficient number, since it is larger than the sum of its proper divisors (11565068687354).

12001222211110 is a wasteful number, since it uses less digits than its factorization.

12001222211110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178520.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12001222211110 its reverse (1111222210021), we get a palindrome (13112444421131).

The spelling of 12001222211110 in words is "twelve trillion, one billion, two hundred twenty-two million, two hundred eleven thousand, one hundred ten".