12637433101 has 4 divisors (see below), whose sum is σ = 12645347932. Its totient is φ = 12629518272.

The previous prime is 12637433047. The next prime is 12637433117. The reversal of 12637433101 is 10133473621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10133473621 = 601 ⋅16861021.

It can be written as a sum of positive squares in 2 ways, for example, as 2816424900 + 9821008201 = 53070^2 + 99101^2 .

It is a cyclic number.

It is not a de Polignac number, because 12637433101 - 2¹³ = 12637424909 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 (12637433141) 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, 3955020 + ... + 3958213.

It is an arithmetic number, because the mean of its divisors is an integer number (3161336983).

Almost surely, 2^12637433101 is an apocalyptic number.

It is an amenable number.

12637433101 is a deficient number, since it is larger than the sum of its proper divisors (7914831).

12637433101 is an equidigital number, since it uses as much as digits as its factorization.

12637433101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7914830.

The product of its (nonzero) digits is 9072, while the sum is 31.

The spelling of 12637433101 in words is "twelve billion, six hundred thirty-seven million, four hundred thirty-three thousand, one hundred one".