12001533105 has 16 divisors (see below), whose sum is σ = 19203923520. Its totient is φ = 6400327488.

The previous prime is 12001533097. The next prime is 12001533107. The reversal of 12001533105 is 50133510021.

It is not a de Polignac number, because 12001533105 - 2³ = 12001533097 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12001533107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261834 + ... + 304236.

It is an arithmetic number, because the mean of its divisors is an integer number (1200245220).

Almost surely, 2^12001533105 is an apocalyptic number.

12001533105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12001533105 is a deficient number, since it is larger than the sum of its proper divisors (7202390415).

12001533105 is a wasteful number, since it uses less digits than its factorization.

12001533105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61280.

The product of its (nonzero) digits is 450, while the sum is 21.

The spelling of 12001533105 in words is "twelve billion, one million, five hundred thirty-three thousand, one hundred five".