12001032031031 has 4 divisors (see below), whose sum is σ = 12070402158552. Its totient is φ = 11931661903512.

The previous prime is 12001032031007. The next prime is 12001032031039. The reversal of 12001032031031 is 13013023010021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12001032031031 is a prime.

It is a super-2 number, since 2×12001032031031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001032031039) 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, 34685063501 + ... + 34685063846.

It is an arithmetic number, because the mean of its divisors is an integer number (3017600539638).

Almost surely, 2^{12001032031031} is an apocalyptic number.

12001032031031 is a deficient number, since it is larger than the sum of its proper divisors (69370127521).

12001032031031 is an equidigital number, since it uses as much as digits as its factorization.

12001032031031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69370127520.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12001032031031 its reverse (13013023010021), we get a palindrome (25014055041052).

The spelling of 12001032031031 in words is "twelve trillion, one billion, thirty-two million, thirty-one thousand, thirty-one".