12002331321123 has 32 divisors (see below), whose sum is σ = 18820920233472. Its totient is φ = 6707424672000.

The previous prime is 12002331321121. The next prime is 12002331321133. The reversal of 12002331321123 is 32112313320021.

It is not a de Polignac number, because 12002331321123 - 2¹ = 12002331321121 is a prime.

It is a super-2 number, since 2×12002331321123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12002331321093 and 12002331321102.

It is not an unprimeable number, because it can be changed into a prime (12002331321121) 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, 14527303 + ... + 15331248.

It is an arithmetic number, because the mean of its divisors is an integer number (588153757296).

Almost surely, 2^{12002331321123} is an apocalyptic number.

12002331321123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12002331321123 is a deficient number, since it is larger than the sum of its proper divisors (6818588912349).

12002331321123 is a wasteful number, since it uses less digits than its factorization.

12002331321123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29859515.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12002331321123 its reverse (32112313320021), we get a palindrome (44114644641144).

The spelling of 12002331321123 in words is "twelve trillion, two billion, three hundred thirty-one million, three hundred twenty-one thousand, one hundred twenty-three".