12143005556 has 12 divisors (see below), whose sum is σ = 23182101600. Its totient is φ = 5519547960.

The previous prime is 12143005529. The next prime is 12143005577. The reversal of 12143005556 is 65550034121.

It is a super-3 number, since 3×12143005556³ (a number of 31 digits) contains 333 as substring.

It is a congruent 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, 137988656 + ... + 137988743.

It is an arithmetic number, because the mean of its divisors is an integer number (1931841800).

Almost surely, 2^12143005556 is an apocalyptic number.

It is an amenable number.

12143005556 is a deficient number, since it is larger than the sum of its proper divisors (11039096044).

12143005556 is a wasteful number, since it uses less digits than its factorization.

12143005556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275977414 (or 275977412 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 12143005556 its reverse (65550034121), we get a palindrome (77693039677).

The spelling of 12143005556 in words is "twelve billion, one hundred forty-three million, five thousand, five hundred fifty-six".