12032215361 has 4 divisors (see below), whose sum is σ = 12032736000. Its totient is φ = 12031694724.

The previous prime is 12032215313. The next prime is 12032215379. The reversal of 12032215361 is 16351223021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12032215361 - 2¹⁸ = 12031953217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12032215361.

It is not an unprimeable number, because it can be changed into a prime (12032215381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223961 + ... + 272438.

It is an arithmetic number, because the mean of its divisors is an integer number (3008184000).

Almost surely, 2^12032215361 is an apocalyptic number.

It is an amenable number.

12032215361 is a deficient number, since it is larger than the sum of its proper divisors (520639).

12032215361 is an equidigital number, since it uses as much as digits as its factorization.

12032215361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520638.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 12032215361 its reverse (16351223021), we get a palindrome (28383438382).

The spelling of 12032215361 in words is "twelve billion, thirty-two million, two hundred fifteen thousand, three hundred sixty-one".