12102222043 has 4 divisors (see below), whose sum is σ = 12176468968. Its totient is φ = 12027975120.

The previous prime is 12102222017. The next prime is 12102222061. The reversal of 12102222043 is 34022220121.

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 12102222043 - 2¹⁷ = 12102090971 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 12102222043.

It is not an unprimeable number, because it can be changed into a prime (12102222443) 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, 37123218 + ... + 37123543.

It is an arithmetic number, because the mean of its divisors is an integer number (3044117242).

Almost surely, 2^12102222043 is an apocalyptic number.

12102222043 is a deficient number, since it is larger than the sum of its proper divisors (74246925).

12102222043 is an equidigital number, since it uses as much as digits as its factorization.

12102222043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74246924.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 12102222043 its reverse (34022220121), we get a palindrome (46124442164).

The spelling of 12102222043 in words is "twelve billion, one hundred two million, two hundred twenty-two thousand, forty-three".