12101212333 has 12 divisors (see below), whose sum is σ = 14342525820. Its totient is φ = 10176758592.

The previous prime is 12101212273. The next prime is 12101212363. The reversal of 12101212333 is 33321210121.

12101212333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10180406404 + 1920805929 = 100898^2 + 43827^2 .

It is not a de Polignac number, because 12101212333 - 2²⁹ = 11564341421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12101212333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12101212363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2327248 + ... + 2332441.

It is an arithmetic number, because the mean of its divisors is an integer number (1195210485).

Almost surely, 2^12101212333 is an apocalyptic number.

It is an amenable number.

12101212333 is a deficient number, since it is larger than the sum of its proper divisors (2241313487).

12101212333 is an equidigital number, since it uses as much as digits as its factorization.

12101212333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4659756 (or 4659749 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12101212333 its reverse (33321210121), we get a palindrome (45422422454).

The spelling of 12101212333 in words is "twelve billion, one hundred one million, two hundred twelve thousand, three hundred thirty-three".