12460406421 has 8 divisors (see below), whose sum is σ = 16615739104. Its totient is φ = 8306005680.

The previous prime is 12460406381. The next prime is 12460406429.

It is a happy number.

12460406421 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 12460406421 - 2³¹ = 10312922773 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 (12460406429) 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, 201166 + ... + 255711.

It is an arithmetic number, because the mean of its divisors is an integer number (2076967388).

Almost surely, 2^12460406421 is an apocalyptic number.

It is an amenable number.

12460406421 is a deficient number, since it is larger than the sum of its proper divisors (4155332683).

12460406421 is an equidigital number, since it uses as much as digits as its factorization.

12460406421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465971.

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 12460406421 in words is "twelve billion, four hundred sixty million, four hundred six thousand, four hundred twenty-one".