12103740289 has 3 divisors (see below), whose sum is σ = 12103850307. Its totient is φ = 12103630272.

The previous prime is 12103740281. The next prime is 12103740293. The reversal of 12103740289 is 98204730121.

The square root of 12103740289 is 110017.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 9987004225 + 2116736064 = 99935^2 + 46008^2 .

It is not a de Polignac number, because 12103740289 - 2³ = 12103740281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103740281) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 55009 + ... + 165025.

It is an arithmetic number, because the mean of its divisors is an integer number (4034616769).

Almost surely, 2^12103740289 is an apocalyptic number.

12103740289 is the 110017-th square number.

12103740289 is the 55009-th centered octagonal number.

It is an amenable number.

12103740289 is a deficient number, since it is larger than the sum of its proper divisors (110018).

12103740289 is an frugal number, since it uses more digits than its factorization.

12103740289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220034 (or 110017 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 12103740289 in words is "twelve billion, one hundred three million, seven hundred forty thousand, two hundred eighty-nine".