12012113132123 has 8 divisors (see below), whose sum is σ = 12958777047216. Its totient is φ = 11068685676000.

The previous prime is 12012113132113. The next prime is 12012113132137. The reversal of 12012113132123 is 32123131121021.

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 not a de Polignac number, because 12012113132123 - 2²⁸ = 12011844696667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012113132113) 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, 809107028 + ... + 809121873.

It is an arithmetic number, because the mean of its divisors is an integer number (1619847130902).

Almost surely, 2^{12012113132123} is an apocalyptic number.

12012113132123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12012113132123 is a deficient number, since it is larger than the sum of its proper divisors (946663915093).

12012113132123 is a wasteful number, since it uses less digits than its factorization.

12012113132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618229485.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12012113132123 its reverse (32123131121021), we get a palindrome (44135244253144).

It can be divided in two parts, 1201211 and 3132123, that added together give a palindrome (4333334).

The spelling of 12012113132123 in words is "twelve trillion, twelve billion, one hundred thirteen million, one hundred thirty-two thousand, one hundred twenty-three".