12130403421 has 8 divisors (see below), whose sum is σ = 16330899520. Its totient is φ = 8008421472.

The previous prime is 12130403419. The next prime is 12130403429. The reversal of 12130403421 is 12430403121.

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

It is not a de Polignac number, because 12130403421 - 2¹ = 12130403419 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 (12130403429) 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, 19628176 + ... + 19628793.

It is an arithmetic number, because the mean of its divisors is an integer number (2041362440).

Almost surely, 2^12130403421 is an apocalyptic number.

It is an amenable number.

12130403421 is a deficient number, since it is larger than the sum of its proper divisors (4200496099).

12130403421 is a wasteful number, since it uses less digits than its factorization.

12130403421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39257075.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12130403421 its reverse (12430403121), we get a palindrome (24560806542).

The spelling of 12130403421 in words is "twelve billion, one hundred thirty million, four hundred three thousand, four hundred twenty-one".