12120310434 has 8 divisors (see below), whose sum is σ = 24240620880. Its totient is φ = 4040103476.

The previous prime is 12120310417. The next prime is 12120310439. The reversal of 12120310434 is 43401302121.

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

12120310434 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 12120310434.

It is not an unprimeable number, because it can be changed into a prime (12120310439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010025864 + ... + 1010025875.

It is an arithmetic number, because the mean of its divisors is an integer number (3030077610).

Almost surely, 2^12120310434 is an apocalyptic number.

12120310434 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12120310434 is a wasteful number, since it uses less digits than its factorization.

12120310434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020051744.

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

Adding to 12120310434 its reverse (43401302121), we get a palindrome (55521612555).

The spelling of 12120310434 in words is "twelve billion, one hundred twenty million, three hundred ten thousand, four hundred thirty-four".