1242022424444 has 12 divisors (see below), whose sum is σ = 2173750892544. Its totient is φ = 620950740864.

The previous prime is 1242022424443. The next prime is 1242022424449. The reversal of 1242022424444 is 4444242202421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242022424443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15071612 + ... + 15153795.

It is an arithmetic number, because the mean of its divisors is an integer number (181145907712).

Almost surely, 2^{1242022424444} is an apocalyptic number.

It is an amenable number.

1242022424444 is a deficient number, since it is larger than the sum of its proper divisors (931728468100).

1242022424444 is a wasteful number, since it uses less digits than its factorization.

1242022424444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30235684 (or 30235682 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 35.

Adding to 1242022424444 its reverse (4444242202421), we get a palindrome (5686264626865).

The spelling of 1242022424444 in words is "one trillion, two hundred forty-two billion, twenty-two million, four hundred twenty-four thousand, four hundred forty-four".