12836121324149 has 4 divisors (see below), whose sum is σ = 13011958602636. Its totient is φ = 12660284045664.

The previous prime is 12836121324101. The next prime is 12836121324269. The reversal of 12836121324149 is 94142312163821.

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 4113656086225 + 8722465237924 = 2028215^2 + 2953382^2 .

It is a cyclic number.

It is not a de Polignac number, because 12836121324149 - 2¹² = 12836121320053 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 (12836121924149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87918639134 + ... + 87918639279.

It is an arithmetic number, because the mean of its divisors is an integer number (3252989650659).

Almost surely, 2^{12836121324149} is an apocalyptic number.

It is an amenable number.

12836121324149 is a deficient number, since it is larger than the sum of its proper divisors (175837278487).

12836121324149 is an equidigital number, since it uses as much as digits as its factorization.

12836121324149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175837278486.

The product of its digits is 497664, while the sum is 47.

The spelling of 12836121324149 in words is "twelve trillion, eight hundred thirty-six billion, one hundred twenty-one million, three hundred twenty-four thousand, one hundred forty-nine".