12104244242 has 4 divisors (see below), whose sum is σ = 18156366366. Its totient is φ = 6052122120.

The previous prime is 12104244233. The next prime is 12104244263. The reversal of 12104244242 is 24244240121.

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., 10351231081 + 1753013161 = 101741^2 + 41869^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3026061059 + ... + 3026061062.

Almost surely, 2^12104244242 is an apocalyptic number.

12104244242 is a deficient number, since it is larger than the sum of its proper divisors (6052122124).

12104244242 is an equidigital number, since it uses as much as digits as its factorization.

12104244242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052122123.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 12104244242 its reverse (24244240121), we get a palindrome (36348484363).

The spelling of 12104244242 in words is "twelve billion, one hundred four million, two hundred forty-four thousand, two hundred forty-two".