12012222211101 has 24 divisors (see below), whose sum is σ = 19917055689024. Its totient is φ = 6833888524800.

The previous prime is 12012222211081. The next prime is 12012222211127. The reversal of 12012222211101 is 10111222221021.

12012222211101 is a `hidden beast` number, since 120 + 1 + 222 + 221 + 1 + 101 = 666.

12012222211101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12012222211101 - 2⁵ = 12012222211069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012222212101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 419964100 + ... + 419992701.

It is an arithmetic number, because the mean of its divisors is an integer number (829877320376).

Almost surely, 2^{12012222211101} is an apocalyptic number.

It is an amenable number.

12012222211101 is a deficient number, since it is larger than the sum of its proper divisors (7904833477923).

12012222211101 is a wasteful number, since it uses less digits than its factorization.

12012222211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839957041 (or 839957038 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12012222211101 its reverse (10111222221021), we get a palindrome (22123444432122).

The spelling of 12012222211101 in words is "twelve trillion, twelve billion, two hundred twenty-two million, two hundred eleven thousand, one hundred one".