12166632001 has 4 divisors (see below), whose sum is σ = 12174750000. Its totient is φ = 12158514004.

The previous prime is 12166631999. The next prime is 12166632013. The reversal of 12166632001 is 10023666121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12166632001 - 2¹ = 12166631999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12163632001) 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, 4056751 + ... + 4059748.

It is an arithmetic number, because the mean of its divisors is an integer number (3043687500).

Almost surely, 2^12166632001 is an apocalyptic number.

It is an amenable number.

12166632001 is a deficient number, since it is larger than the sum of its proper divisors (8117999).

12166632001 is an equidigital number, since it uses as much as digits as its factorization.

12166632001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117998.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 12166632001 in words is "twelve billion, one hundred sixty-six million, six hundred thirty-two thousand, one".