12898236133 has 4 divisors (see below), whose sum is σ = 12992383980. Its totient is φ = 12804088288.

The previous prime is 12898236119. The next prime is 12898236139. The reversal of 12898236133 is 33163289821.

12898236133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6713671969 + 6184564164 = 81937^2 + 78642^2 .

It is a cyclic number.

It is not a de Polignac number, because 12898236133 - 2⁹ = 12898235621 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 (12898236139) 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 3 ways as a sum of consecutive naturals, for example, 47073718 + ... + 47073991.

It is an arithmetic number, because the mean of its divisors is an integer number (3248095995).

Almost surely, 2^12898236133 is an apocalyptic number.

It is an amenable number.

12898236133 is a deficient number, since it is larger than the sum of its proper divisors (94147847).

12898236133 is an equidigital number, since it uses as much as digits as its factorization.

12898236133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94147846.

The product of its digits is 373248, while the sum is 46.

The spelling of 12898236133 in words is "twelve billion, eight hundred ninety-eight million, two hundred thirty-six thousand, one hundred thirty-three".