12211432004 has 6 divisors (see below), whose sum is σ = 21370006014. Its totient is φ = 6105716000.

The previous prime is 12211431977. The next prime is 12211432019. The reversal of 12211432004 is 40023411221.

It can be written as a sum of positive squares in only one way, i.e., 12133463104 + 77968900 = 110152^2 + 8830^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1526428997 + ... + 1526429004.

It is an arithmetic number, because the mean of its divisors is an integer number (3561667669).

Almost surely, 2^12211432004 is an apocalyptic number.

It is an amenable number.

12211432004 is a deficient number, since it is larger than the sum of its proper divisors (9158574010).

12211432004 is a wasteful number, since it uses less digits than its factorization.

12211432004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052858005 (or 3052858003 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12211432004 its reverse (40023411221), we get a palindrome (52234843225).

The spelling of 12211432004 in words is "twelve billion, two hundred eleven million, four hundred thirty-two thousand, four".