12420430122 has 16 divisors (see below), whose sum is σ = 24856571520. Its totient is φ = 4137524832.

The previous prime is 12420430117. The next prime is 12420430133. The reversal of 12420430122 is 22103402421.

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, 644347 + ... + 663342.

It is an arithmetic number, because the mean of its divisors is an integer number (1553535720).

Almost surely, 2^12420430122 is an apocalyptic number.

12420430122 is an abundant number, since it is smaller than the sum of its proper divisors (12436141398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12420430122 is a wasteful number, since it uses less digits than its factorization.

12420430122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309277.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 12420430122 its reverse (22103402421), we get a palindrome (34523832543).

The spelling of 12420430122 in words is "twelve billion, four hundred twenty million, four hundred thirty thousand, one hundred twenty-two".