12011143432 has 16 divisors (see below), whose sum is σ = 22619241900. Its totient is φ = 5979345600.

The previous prime is 12011143427. The next prime is 12011143457. The reversal of 12011143432 is 23434111021.

It can be written as a sum of positive squares in 2 ways, for example, as 11827432516 + 183710916 = 108754^2 + 13554^2 .

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, 3276319 + ... + 3279982.

Almost surely, 2^12011143432 is an apocalyptic number.

It is an amenable number.

12011143432 is a deficient number, since it is larger than the sum of its proper divisors (10608098468).

12011143432 is a wasteful number, since it uses less digits than its factorization.

12011143432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556536 (or 6556532 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12011143432 its reverse (23434111021), we get a palindrome (35445254453).

The spelling of 12011143432 in words is "twelve billion, eleven million, one hundred forty-three thousand, four hundred thirty-two".