12043321104442 has 4 divisors (see below), whose sum is σ = 18064981656666. Its totient is φ = 6021660552220.

The previous prime is 12043321104433. The next prime is 12043321104469. The reversal of 12043321104442 is 24440112334021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8175888141201 + 3867432963241 = 2859351^2 + 1966579^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3010830276109 + ... + 3010830276112.

Almost surely, 2^{12043321104442} is an apocalyptic number.

12043321104442 is a deficient number, since it is larger than the sum of its proper divisors (6021660552224).

12043321104442 is an equidigital number, since it uses as much as digits as its factorization.

12043321104442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6021660552223.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 12043321104442 its reverse (24440112334021), we get a palindrome (36483433438463).

The spelling of 12043321104442 in words is "twelve trillion, forty-three billion, three hundred twenty-one million, one hundred four thousand, four hundred forty-two".