12003120031 has 8 divisors (see below), whose sum is σ = 13723996160. Its totient is φ = 10283780088.

The previous prime is 12003120023. The next prime is 12003120049. The reversal of 12003120031 is 13002130021.

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 12003120031 - 2³ = 12003120023 is a prime.

It is a super-2 number, since 2×12003120031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12003119993 and 12003120020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003120131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367251 + ... + 398596.

It is an arithmetic number, because the mean of its divisors is an integer number (1715499520).

Almost surely, 2^12003120031 is an apocalyptic number.

12003120031 is a deficient number, since it is larger than the sum of its proper divisors (1720876129).

12003120031 is an equidigital number, since it uses as much as digits as its factorization.

12003120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768093.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12003120031 its reverse (13002130021), we get a palindrome (25005250052).

The spelling of 12003120031 in words is "twelve billion, three million, one hundred twenty thousand, thirty-one".