12001200806401 has 4 divisors (see below), whose sum is σ = 12001298244912. Its totient is φ = 12001103367892.

The previous prime is 12001200806351. The next prime is 12001200806429. The reversal of 12001200806401 is 10460800210021.

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 12001200806401 - 2¹⁵ = 12001200773633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12001200806801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48534271 + ... + 48780916.

It is an arithmetic number, because the mean of its divisors is an integer number (3000324561228).

Almost surely, 2^{12001200806401} is an apocalyptic number.

It is an amenable number.

12001200806401 is a deficient number, since it is larger than the sum of its proper divisors (97438511).

12001200806401 is an equidigital number, since it uses as much as digits as its factorization.

12001200806401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97438510.

The product of its (nonzero) digits is 768, while the sum is 25.

The spelling of 12001200806401 in words is "twelve trillion, one billion, two hundred million, eight hundred six thousand, four hundred one".