12402123234 has 8 divisors (see below), whose sum is σ = 24804246480. Its totient is φ = 4134041076.

The previous prime is 12402123229. The next prime is 12402123259. The reversal of 12402123234 is 43232120421.

It is a happy number.

12402123234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

12402123234 is an admirable number.

It is a super-2 number, since 2×12402123234² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033510264 + ... + 1033510275.

It is an arithmetic number, because the mean of its divisors is an integer number (3100530810).

Almost surely, 2^12402123234 is an apocalyptic number.

12402123234 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.

12402123234 is a wasteful number, since it uses less digits than its factorization.

12402123234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067020544.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12402123234 its reverse (43232120421), we get a palindrome (55634243655).

The spelling of 12402123234 in words is "twelve billion, four hundred two million, one hundred twenty-three thousand, two hundred thirty-four".