12155330001 has 16 divisors (see below), whose sum is σ = 16586190720. Its totient is φ = 7916106240.

The previous prime is 12155329957. The next prime is 12155330003. The reversal of 12155330001 is 10003355121.

12155330001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12155330001 - 2¹⁴ = 12155313617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12155330001.

It is not an unprimeable number, because it can be changed into a prime (12155330003) 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 15 ways as a sum of consecutive naturals, for example, 238560 + ... + 284993.

It is an arithmetic number, because the mean of its divisors is an integer number (1036636920).

Almost surely, 2^12155330001 is an apocalyptic number.

It is an amenable number.

12155330001 is a deficient number, since it is larger than the sum of its proper divisors (4430860719).

12155330001 is a wasteful number, since it uses less digits than its factorization.

12155330001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523736.

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

Adding to 12155330001 its reverse (10003355121), we get a palindrome (22158685122).

The spelling of 12155330001 in words is "twelve billion, one hundred fifty-five million, three hundred thirty thousand, one".