12031013111033 has 12 divisors (see below), whose sum is σ = 14019515399412. Its totient is φ = 10294424663040.

The previous prime is 12031013111021. The next prime is 12031013111111. The reversal of 12031013111033 is 33011131013021.

It can be written as a sum of positive squares in 2 ways, for example, as 8380723922704 + 3650289188329 = 2894948^2 + 1910573^2 .

It is not a de Polignac number, because 12031013111033 - 2⁶ = 12031013110969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12031013110996 and 12031013111014.

It is not an unprimeable number, because it can be changed into a prime (12031013111633) 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, 212736788 + ... + 212793333.

It is an arithmetic number, because the mean of its divisors is an integer number (1168292949951).

Almost surely, 2^{12031013111033} is an apocalyptic number.

It is an amenable number.

12031013111033 is a deficient number, since it is larger than the sum of its proper divisors (1988502288379).

12031013111033 is an equidigital number, since it uses as much as digits as its factorization.

12031013111033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425530712 (or 425530705 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 12031013111033 its reverse (33011131013021), we get a palindrome (45042144124054).

It can be divided in two parts, 1203101 and 3111033, that added together give a palindrome (4314134).

The spelling of 12031013111033 in words is "twelve trillion, thirty-one billion, thirteen million, one hundred eleven thousand, thirty-three".