12100001333 has 4 divisors (see below), whose sum is σ = 13828572960. Its totient is φ = 10371429708.

The previous prime is 12100001321. The next prime is 12100001357. The reversal of 12100001333 is 33310000121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33310000121 = 64327 ⋅517823.

It is a cyclic number.

It is not a de Polignac number, because 12100001333 - 2³⁰ = 11026259509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100001033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 864285803 + ... + 864285816.

It is an arithmetic number, because the mean of its divisors is an integer number (3457143240).

Almost surely, 2^12100001333 is an apocalyptic number.

It is an amenable number.

12100001333 is a deficient number, since it is larger than the sum of its proper divisors (1728571627).

12100001333 is an equidigital number, since it uses as much as digits as its factorization.

12100001333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728571626.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 12100001333 its reverse (33310000121), we get a palindrome (45410001454).

The spelling of 12100001333 in words is "twelve billion, one hundred million, one thousand, three hundred thirty-three".