12013172038 has 8 divisors (see below), whose sum is σ = 20594009232. Its totient is φ = 5148502296.

The previous prime is 12013172033. The next prime is 12013172057. The reversal of 12013172038 is 83027131021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×12013172038³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12013171997 and 12013172015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013172033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429041845 + ... + 429041872.

It is an arithmetic number, because the mean of its divisors is an integer number (2574251154).

Almost surely, 2^12013172038 is an apocalyptic number.

12013172038 is a deficient number, since it is larger than the sum of its proper divisors (8580837194).

12013172038 is an equidigital number, since it uses as much as digits as its factorization.

12013172038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858083726.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 12013172038 in words is "twelve billion, thirteen million, one hundred seventy-two thousand, thirty-eight".