12112010021123 has 2 divisors, whose sum is σ = 12112010021124. Its totient is φ = 12112010021122.

The previous prime is 12112010021107. The next prime is 12112010021161. The reversal of 12112010021123 is 32112001021121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12112010021123 - 2⁴ = 12112010021107 is a prime.

It is a super-2 number, since 2×12112010021123² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12112010021323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056005010561 + 6056005010562.

It is an arithmetic number, because the mean of its divisors is an integer number (6056005010562).

Almost surely, 2^{12112010021123} is an apocalyptic number.

12112010021123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12112010021123 is an equidigital number, since it uses as much as digits as its factorization.

12112010021123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12112010021123 its reverse (32112001021121), we get a palindrome (44224011042244).

The spelling of 12112010021123 in words is "twelve trillion, one hundred twelve billion, ten million, twenty-one thousand, one hundred twenty-three".