12036322664 has 8 divisors (see below), whose sum is σ = 22568105010. Its totient is φ = 6018161328.

The previous prime is 12036322657. The next prime is 12036322687. The reversal of 12036322664 is 46622363021.

It can be written as a sum of positive squares in only one way, i.e., 7489517764 + 4546804900 = 86542^2 + 67430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 752270159 + ... + 752270174.

Almost surely, 2^12036322664 is an apocalyptic number.

It is an amenable number.

12036322664 is a deficient number, since it is larger than the sum of its proper divisors (10531782346).

12036322664 is a wasteful number, since it uses less digits than its factorization.

12036322664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504540339 (or 1504540335 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

Adding to 12036322664 its reverse (46622363021), we get a palindrome (58658685685).

The spelling of 12036322664 in words is "twelve billion, thirty-six million, three hundred twenty-two thousand, six hundred sixty-four".