12112012001111 has 16 divisors (see below), whose sum is σ = 14167438410240. Its totient is φ = 10232038826880.

The previous prime is 12112012001101. The next prime is 12112012001183. The reversal of 12112012001111 is 11110021021121.

It is a cyclic number.

It is not a de Polignac number, because 12112012001111 - 2¹⁰ = 12112012000087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112012001101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409922681 + ... + 409952226.

It is an arithmetic number, because the mean of its divisors is an integer number (885464900640).

Almost surely, 2^{12112012001111} is an apocalyptic number.

12112012001111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12112012001111 is a deficient number, since it is larger than the sum of its proper divisors (2055426409129).

12112012001111 is a wasteful number, since it uses less digits than its factorization.

12112012001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819875014.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12112012001111 its reverse (11110021021121), we get a palindrome (23222033022232).

The spelling of 12112012001111 in words is "twelve trillion, one hundred twelve billion, twelve million, one thousand, one hundred eleven".