12402032001 has 4 divisors (see below), whose sum is σ = 16536042672. Its totient is φ = 8268021332.

The previous prime is 12402031991. The next prime is 12402032021. The reversal of 12402032001 is 10023020421.

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 12402032001 - 2²¹ = 12399934849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12402032021) 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, 2067005331 + ... + 2067005336.

It is an arithmetic number, because the mean of its divisors is an integer number (4134010668).

Almost surely, 2^12402032001 is an apocalyptic number.

It is an amenable number.

12402032001 is a deficient number, since it is larger than the sum of its proper divisors (4134010671).

12402032001 is an equidigital number, since it uses as much as digits as its factorization.

12402032001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134010670.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12402032001 its reverse (10023020421), we get a palindrome (22425052422).

The spelling of 12402032001 in words is "twelve billion, four hundred two million, thirty-two thousand, one".