12123243202032 has 60 divisors (see below), whose sum is σ = 34073857999584. Its totient is φ = 4023737360640.

The previous prime is 12123243201997. The next prime is 12123243202039. The reversal of 12123243202032 is 23020234232121.

12123243202032 is a `hidden beast` number, since 1 + 2 + 1 + 23 + 2 + 432 + 0 + 203 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12123243201987 and 12123243202005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123243202039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180629944 + ... + 180697047.

Almost surely, 2^{12123243202032} is an apocalyptic number.

12123243202032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12123243202032 is an abundant number, since it is smaller than the sum of its proper divisors (21950614797552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12123243202032 is a wasteful number, since it uses less digits than its factorization.

12123243202032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361327238 (or 361327229 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12123243202032 its reverse (23020234232121), we get a palindrome (35143477434153).

The spelling of 12123243202032 in words is "twelve trillion, one hundred twenty-three billion, two hundred forty-three million, two hundred two thousand, thirty-two".