12001100033 has 8 divisors (see below), whose sum is σ = 12926092200. Its totient is φ = 11076369408.

The previous prime is 12001099993. The next prime is 12001100039. The reversal of 12001100033 is 33000110021.

It can be written as a sum of positive squares in 4 ways, for example, as 1170118849 + 10830981184 = 34207^2 + 104072^2 .

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

It is not a de Polignac number, because 12001100033 - 2¹⁰ = 12001099009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12001099987 and 12001100023.

It is not an unprimeable number, because it can be changed into a prime (12001100039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35723 + ... + 158991.

It is an arithmetic number, because the mean of its divisors is an integer number (1615761525).

Almost surely, 2^12001100033 is an apocalyptic number.

12001100033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12001100033 is a deficient number, since it is larger than the sum of its proper divisors (924992167).

12001100033 is a wasteful number, since it uses less digits than its factorization.

12001100033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130771.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 12001100033 its reverse (33000110021), we get a palindrome (45001210054).

The spelling of 12001100033 in words is "twelve billion, one million, one hundred thousand, thirty-three".