12112121030031 has 24 divisors (see below), whose sum is σ = 19088514104400. Its totient is φ = 7339622630400.

The previous prime is 12112121029907. The next prime is 12112121030057. The reversal of 12112121030031 is 13003012121121.

12112121030031 is a `hidden beast` number, since 1 + 2 + 1 + 121 + 210 + 300 + 31 = 666.

It is not a de Polignac number, because 12112121030031 - 2¹⁰ = 12112121029007 is a prime.

It is a super-2 number, since 2×12112121030031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12112121029986 and 12112121030013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112121030231) 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, 8115090 + ... + 9490991.

It is an arithmetic number, because the mean of its divisors is an integer number (795354754350).

Almost surely, 2^{12112121030031} is an apocalyptic number.

12112121030031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12112121030031 is a deficient number, since it is larger than the sum of its proper divisors (6976393074369).

12112121030031 is a wasteful number, since it uses less digits than its factorization.

12112121030031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17613047 (or 17613044 counting only the distinct ones).

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

Adding to 12112121030031 its reverse (13003012121121), we get a palindrome (25115133151152).

The spelling of 12112121030031 in words is "twelve trillion, one hundred twelve billion, one hundred twenty-one million, thirty thousand, thirty-one".