12401010421 has 8 divisors (see below), whose sum is σ = 13503823200. Its totient is φ = 11343210480.

The previous prime is 12401010409. The next prime is 12401010431.

It is a happy number.

12401010421 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 12401010421 - 2¹⁵ = 12400977653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12401010395 and 12401010404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401010431) 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, 11252635 + ... + 11253736.

It is an arithmetic number, because the mean of its divisors is an integer number (1687977900).

Almost surely, 2^12401010421 is an apocalyptic number.

It is an amenable number.

12401010421 is a deficient number, since it is larger than the sum of its proper divisors (1102812779).

12401010421 is a wasteful number, since it uses less digits than its factorization.

12401010421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22506419.

The product of its (nonzero) digits is 64, while the sum is 16.

It can be divided in two parts, 124010 and 10421, that added together give a palindrome (134431).

The spelling of 12401010421 in words is "twelve billion, four hundred one million, ten thousand, four hundred twenty-one".