12002132031123 has 32 divisors (see below), whose sum is σ = 17636391843840. Its totient is φ = 7213435729920.

The previous prime is 12002132031103. The next prime is 12002132031157. The reversal of 12002132031123 is 32113023120021.

It is not a de Polignac number, because 12002132031123 - 2⁵ = 12002132031091 is a prime.

It is a super-2 number, since 2×12002132031123² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12002132031123.

It is not an unprimeable number, because it can be changed into a prime (12002132031103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16547443 + ... + 17257523.

It is an arithmetic number, because the mean of its divisors is an integer number (551137245120).

Almost surely, 2^{12002132031123} is an apocalyptic number.

12002132031123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12002132031123 is a deficient number, since it is larger than the sum of its proper divisors (5634259812717).

12002132031123 is a wasteful number, since it uses less digits than its factorization.

12002132031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720219.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 12002132031123 its reverse (32113023120021), we get a palindrome (44115155151144).

The spelling of 12002132031123 in words is "twelve trillion, two billion, one hundred thirty-two million, thirty-one thousand, one hundred twenty-three".