12002232443 has 4 divisors (see below), whose sum is σ = 12045562080. Its totient is φ = 11958902808.

The previous prime is 12002232427. The next prime is 12002232461. The reversal of 12002232443 is 34423220021.

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

It is a cyclic number.

It is not a de Polignac number, because 12002232443 - 2⁴ = 12002232427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12002232043) 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, 21664403 + ... + 21664956.

It is an arithmetic number, because the mean of its divisors is an integer number (3011390520).

Almost surely, 2^12002232443 is an apocalyptic number.

12002232443 is a deficient number, since it is larger than the sum of its proper divisors (43329637).

12002232443 is an equidigital number, since it uses as much as digits as its factorization.

12002232443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43329636.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 12002232443 its reverse (34423220021), we get a palindrome (46425452464).

The spelling of 12002232443 in words is "twelve billion, two million, two hundred thirty-two thousand, four hundred forty-three".