12156958033 has 8 divisors (see below), whose sum is σ = 13366563840. Its totient is φ = 10964756880.

The previous prime is 12156958027. The next prime is 12156958049. The reversal of 12156958033 is 33085965121.

12156958033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12156958033 - 2⁵ = 12156958001 is a prime.

It is a super-2 number, since 2×12156958033² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12156958003) 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 7 ways as a sum of consecutive naturals, for example, 4349698 + ... + 4352491.

It is an arithmetic number, because the mean of its divisors is an integer number (1670820480).

Almost surely, 2^12156958033 is an apocalyptic number.

It is an amenable number.

12156958033 is a deficient number, since it is larger than the sum of its proper divisors (1209605807).

12156958033 is a wasteful number, since it uses less digits than its factorization.

12156958033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8702327.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 12156958033 in words is "twelve billion, one hundred fifty-six million, nine hundred fifty-eight thousand, thirty-three".