12434031402 has 64 divisors (see below), whose sum is σ = 27125280000. Its totient is φ = 3776813568.

The previous prime is 12434031391. The next prime is 12434031409. The reversal of 12434031402 is 20413043421.

It is not an unprimeable number, because it can be changed into a prime (12434031409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6378724 + ... + 6380672.

It is an arithmetic number, because the mean of its divisors is an integer number (423832500).

Almost surely, 2^12434031402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12434031402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13562640000).

12434031402 is an abundant number, since it is smaller than the sum of its proper divisors (14691248598).

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

12434031402 is a wasteful number, since it uses less digits than its factorization.

12434031402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975.

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

Adding to 12434031402 its reverse (20413043421), we get a palindrome (32847074823).

The spelling of 12434031402 in words is "twelve billion, four hundred thirty-four million, thirty-one thousand, four hundred two".