1242321100424 has 32 divisors (see below), whose sum is σ = 2435619438720. Its totient is φ = 592933499136.

The previous prime is 1242321100403. The next prime is 1242321100441. The reversal of 1242321100424 is 4240011232421.

It is a junction number, because it is equal to n+sod(n) for n = 1242321100393 and 1242321100402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6842369 + ... + 7021584.

It is an arithmetic number, because the mean of its divisors is an integer number (76113107460).

Almost surely, 2^{1242321100424} is an apocalyptic number.

It is an amenable number.

1242321100424 is a deficient number, since it is larger than the sum of its proper divisors (1193298338296).

1242321100424 is a wasteful number, since it uses less digits than its factorization.

1242321100424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13864469 (or 13864465 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 1242321100424 its reverse (4240011232421), we get a palindrome (5482332332845).

The spelling of 1242321100424 in words is "one trillion, two hundred forty-two billion, three hundred twenty-one million, one hundred thousand, four hundred twenty-four".