12112001011 has 8 divisors (see below), whose sum is σ = 13361554800. Its totient is φ = 10887191040.

The previous prime is 12112000919. The next prime is 12112001039. The reversal of 12112001011 is 11010021121.

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

It is not a de Polignac number, because 12112001011 - 2¹¹ = 12111998963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12112001071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6184926 + ... + 6186883.

It is an arithmetic number, because the mean of its divisors is an integer number (1670194350).

Almost surely, 2^12112001011 is an apocalyptic number.

12112001011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12112001011 is a deficient number, since it is larger than the sum of its proper divisors (1249553789).

12112001011 is a wasteful number, since it uses less digits than its factorization.

12112001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12371909.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 12112001011 its reverse (11010021121), we get a palindrome (23122022132).

The spelling of 12112001011 in words is "twelve billion, one hundred twelve million, one thousand, eleven".