12001101033 has 4 divisors (see below), whose sum is σ = 16001468048. Its totient is φ = 8000734020.

The previous prime is 12001101019. The next prime is 12001101053. The reversal of 12001101033 is 33010110021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12001101033 - 2⁹ = 12001100521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001101053) 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, 2000183503 + ... + 2000183508.

It is an arithmetic number, because the mean of its divisors is an integer number (4000367012).

Almost surely, 2^12001101033 is an apocalyptic number.

It is an amenable number.

12001101033 is a deficient number, since it is larger than the sum of its proper divisors (4000367015).

12001101033 is an equidigital number, since it uses as much as digits as its factorization.

12001101033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000367014.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 12001101033 its reverse (33010110021), we get a palindrome (45011211054).

The spelling of 12001101033 in words is "twelve billion, one million, one hundred one thousand, thirty-three".