12101223443 has 16 divisors (see below), whose sum is σ = 13483852800. Its totient is φ = 10811556000.

The previous prime is 12101223437. The next prime is 12101223451. The reversal of 12101223443 is 34432210121.

It is a cyclic number.

It is not a de Polignac number, because 12101223443 - 2¹⁶ = 12101157907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12101223413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231683 + ... + 279068.

It is an arithmetic number, because the mean of its divisors is an integer number (842740800).

Almost surely, 2^12101223443 is an apocalyptic number.

12101223443 is a deficient number, since it is larger than the sum of its proper divisors (1382629357).

12101223443 is a wasteful number, since it uses less digits than its factorization.

12101223443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510842.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12101223443 its reverse (34432210121), we get a palindrome (46533433564).

The spelling of 12101223443 in words is "twelve billion, one hundred one million, two hundred twenty-three thousand, four hundred forty-three".