12143135435 has 8 divisors (see below), whose sum is σ = 14927171616. Its totient is φ = 9477568960.

The previous prime is 12143135423. The next prime is 12143135447. The reversal of 12143135435 is 53453134121.

It is an interprime number because it is at equal distance from previous prime (12143135423) and next prime (12143135447).

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

It is a de Polignac number, because none of the positive numbers 2^k-12143135435 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29617199 + ... + 29617608.

It is an arithmetic number, because the mean of its divisors is an integer number (1865896452).

Almost surely, 2^12143135435 is an apocalyptic number.

12143135435 is a deficient number, since it is larger than the sum of its proper divisors (2784036181).

12143135435 is an equidigital number, since it uses as much as digits as its factorization.

12143135435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59234853.

The product of its digits is 21600, while the sum is 32.

Adding to 12143135435 its reverse (53453134121), we get a palindrome (65596269556).

The spelling of 12143135435 in words is "twelve billion, one hundred forty-three million, one hundred thirty-five thousand, four hundred thirty-five".