1242212344 has 16 divisors (see below), whose sum is σ = 2335398120. Its totient is φ = 619439520.

The previous prime is 1242212339. The next prime is 1242212351. The reversal of 1242212344 is 4432122421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205162 + ... + 211129.

Almost surely, 2^1242212344 is an apocalyptic number.

It is an amenable number.

1242212344 is a deficient number, since it is larger than the sum of its proper divisors (1093185776).

1242212344 is a wasteful number, since it uses less digits than its factorization.

1242212344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416670 (or 416666 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 1242212344 is about 35245.0328982681. The cubic root of 1242212344 is about 1074.9756169699.

Adding to 1242212344 its reverse (4432122421), we get a palindrome (5674334765).

The spelling of 1242212344 in words is "one billion, two hundred forty-two million, two hundred twelve thousand, three hundred forty-four".