12122003013111 has 6 divisors (see below), whose sum is σ = 17509559907840. Its totient is φ = 8081335342068.

The previous prime is 12122003013067. The next prime is 12122003013149. The reversal of 12122003013111 is 11131030022121.

12122003013111 is a `hidden beast` number, since 121 + 2 + 200 + 30 + 1 + 311 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-12122003013111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122003014111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 673444611831 + ... + 673444611848.

It is an arithmetic number, because the mean of its divisors is an integer number (2918259984640).

Almost surely, 2^{12122003013111} is an apocalyptic number.

12122003013111 is a deficient number, since it is larger than the sum of its proper divisors (5387556894729).

12122003013111 is a wasteful number, since it uses less digits than its factorization.

12122003013111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346889223685 (or 1346889223682 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12122003013111 its reverse (11131030022121), we get a palindrome (23253033035232).

The spelling of 12122003013111 in words is "twelve trillion, one hundred twenty-two billion, three million, thirteen thousand, one hundred eleven".