12402012401 has 8 divisors (see below), whose sum is σ = 12579585408. Its totient is φ = 12224520000.

The previous prime is 12402012379. The next prime is 12402012433. The reversal of 12402012401 is 10421020421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12402012401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12402012401.

It is not an unprimeable number, because it can be changed into a prime (12402012451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333881 + ... + 369161.

It is an arithmetic number, because the mean of its divisors is an integer number (1572448176).

Almost surely, 2^12402012401 is an apocalyptic number.

It is an amenable number.

12402012401 is a deficient number, since it is larger than the sum of its proper divisors (177573007).

12402012401 is an equidigital number, since it uses as much as digits as its factorization.

12402012401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40303.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12402012401 its reverse (10421020421), we get a palindrome (22823032822).

The spelling of 12402012401 in words is "twelve billion, four hundred two million, twelve thousand, four hundred one".