12405130312 has 32 divisors (see below), whose sum is σ = 23682859200. Its totient is φ = 6090062400.

The previous prime is 12405130289. The next prime is 12405130337. The reversal of 12405130312 is 21303150421.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256389 + ... + 300907.

It is an arithmetic number, because the mean of its divisors is an integer number (740089350).

Almost surely, 2^12405130312 is an apocalyptic number.

It is an amenable number.

12405130312 is a deficient number, since it is larger than the sum of its proper divisors (11277728888).

12405130312 is a wasteful number, since it uses less digits than its factorization.

12405130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45157 (or 45153 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 12405130312 its reverse (21303150421), we get a palindrome (33708280733).

The spelling of 12405130312 in words is "twelve billion, four hundred five million, one hundred thirty thousand, three hundred twelve".