12978098133 has 64 divisors (see below), whose sum is σ = 23861655552. Its totient is φ = 6055015680.

The previous prime is 12978098113. The next prime is 12978098141. The reversal of 12978098133 is 33189087921.

12978098133 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 12978098133 - 2¹⁶ = 12978032597 is a prime.

It is a super-2 number, since 2×12978098133² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12978098113) 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 63 ways as a sum of consecutive naturals, for example, 52710 + ... + 169512.

It is an arithmetic number, because the mean of its divisors is an integer number (372838368).

Almost surely, 2^12978098133 is an apocalyptic number.

12978098133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12978098133 is a deficient number, since it is larger than the sum of its proper divisors (10883557419).

12978098133 is a wasteful number, since it uses less digits than its factorization.

12978098133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116874.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 12978098133 in words is "twelve billion, nine hundred seventy-eight million, ninety-eight thousand, one hundred thirty-three".