12402312134 has 8 divisors (see below), whose sum is σ = 18604099488. Its totient is φ = 6200945640.

The previous prime is 12402312133. The next prime is 12402312137. The reversal of 12402312134 is 43121320421.

12402312134 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.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402312133) by changing a digit.

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, 16622 + ... + 158369.

It is an arithmetic number, because the mean of its divisors is an integer number (2325512436).

Almost surely, 2^12402312134 is an apocalyptic number.

12402312134 is a deficient number, since it is larger than the sum of its proper divisors (6201787354).

12402312134 is a wasteful number, since it uses less digits than its factorization.

12402312134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210430.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12402312134 its reverse (43121320421), we get a palindrome (55523632555).

The spelling of 12402312134 in words is "twelve billion, four hundred two million, three hundred twelve thousand, one hundred thirty-four".