12352143436 has 12 divisors (see below), whose sum is σ = 21620219040. Its totient is φ = 6174938000.

The previous prime is 12352143361. The next prime is 12352143457. The reversal of 12352143436 is 63434125321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258676 + ... + 302683.

It is an arithmetic number, because the mean of its divisors is an integer number (1801684920).

Almost surely, 2^12352143436 is an apocalyptic number.

It is an amenable number.

12352143436 is a deficient number, since it is larger than the sum of its proper divisors (9268075604).

12352143436 is a wasteful number, since it uses less digits than its factorization.

12352143436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566864 (or 566862 counting only the distinct ones).

The product of its digits is 51840, while the sum is 34.

Adding to 12352143436 its reverse (63434125321), we get a palindrome (75786268757).

The spelling of 12352143436 in words is "twelve billion, three hundred fifty-two million, one hundred forty-three thousand, four hundred thirty-six".