12100536654637 has 4 divisors (see below), whose sum is σ = 12395671695036. Its totient is φ = 11805401614240.

The previous prime is 12100536654629. The next prime is 12100536654653. The reversal of 12100536654637 is 73645663500121.

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 323930584201 + 11776606070436 = 569149^2 + 3431706^2 .

It is a cyclic number.

It is not a de Polignac number, because 12100536654637 - 2³ = 12100536654629 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100536654677) 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, 147567520138 + ... + 147567520219.

It is an arithmetic number, because the mean of its divisors is an integer number (3098917923759).

Almost surely, 2^{12100536654637} is an apocalyptic number.

It is an amenable number.

12100536654637 is a deficient number, since it is larger than the sum of its proper divisors (295135040399).

12100536654637 is an equidigital number, since it uses as much as digits as its factorization.

12100536654637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295135040398.

The product of its (nonzero) digits is 2721600, while the sum is 49.

The spelling of 12100536654637 in words is "twelve trillion, one hundred billion, five hundred thirty-six million, six hundred fifty-four thousand, six hundred thirty-seven".