12400421040013 has 8 divisors (see below), whose sum is σ = 12408088757760. Its totient is φ = 12392753807280.

The previous prime is 12400421039989. The next prime is 12400421040043. The reversal of 12400421040013 is 31004012400421.

It is a happy number.

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-12400421040013 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 (12400421040043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60243756 + ... + 60449242.

It is an arithmetic number, because the mean of its divisors is an integer number (1551011094720).

Almost surely, 2^{12400421040013} is an apocalyptic number.

It is an amenable number.

12400421040013 is a deficient number, since it is larger than the sum of its proper divisors (7667717747).

12400421040013 is a wasteful number, since it uses less digits than its factorization.

12400421040013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242507.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12400421040013 its reverse (31004012400421), we get a palindrome (43404433440434).

The spelling of 12400421040013 in words is "twelve trillion, four hundred billion, four hundred twenty-one million, forty thousand, thirteen".