12143431302 has 64 divisors (see below), whose sum is σ = 26385108480. Its totient is φ = 3715455744.

The previous prime is 12143431301. The next prime is 12143431303. The reversal of 12143431302 is 20313434121.

It is a happy number.

12143431302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12143431301) and next prime (12143431303).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12143431301) 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 31 ways as a sum of consecutive naturals, for example, 356449 + ... + 389027.

It is an arithmetic number, because the mean of its divisors is an integer number (412267320).

Almost surely, 2^12143431302 is an apocalyptic number.

12143431302 is an abundant number, since it is smaller than the sum of its proper divisors (14241677178).

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

12143431302 is a wasteful number, since it uses less digits than its factorization.

12143431302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32717.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12143431302 its reverse (20313434121), we get a palindrome (32456865423).

The spelling of 12143431302 in words is "twelve billion, one hundred forty-three million, four hundred thirty-one thousand, three hundred two".