12010011011111 has 8 divisors (see below), whose sum is σ = 12074299942224. Its totient is φ = 11945743326720.

The previous prime is 12010011011087. The next prime is 12010011011137. The reversal of 12010011011111 is 11111011001021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12010011011111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12010011011092 and 12010011011101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010011011191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4177481 + ... + 6439826.

It is an arithmetic number, because the mean of its divisors is an integer number (1509287492778).

Almost surely, 2^{12010011011111} is an apocalyptic number.

12010011011111 is a deficient number, since it is larger than the sum of its proper divisors (64288931113).

12010011011111 is a wasteful number, since it uses less digits than its factorization.

12010011011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10623361.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 12010011011111 its reverse (11111011001021), we get a palindrome (23121022012132).

The spelling of 12010011011111 in words is "twelve trillion, ten billion, eleven million, eleven thousand, one hundred eleven".