1242000310321 has 8 divisors (see below), whose sum is σ = 1272812571360. Its totient is φ = 1211275709952.

The previous prime is 1242000310319. The next prime is 1242000310351. The reversal of 1242000310321 is 1230130002421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1242000310321 - 2¹ = 1242000310319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242000310351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21886480 + ... + 21943153.

It is an arithmetic number, because the mean of its divisors is an integer number (159101571420).

Almost surely, 2^{1242000310321} is an apocalyptic number.

It is an amenable number.

1242000310321 is a deficient number, since it is larger than the sum of its proper divisors (30812261039).

1242000310321 is an equidigital number, since it uses as much as digits as its factorization.

1242000310321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43830335.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1242000310321 its reverse (1230130002421), we get a palindrome (2472130312742).

The spelling of 1242000310321 in words is "one trillion, two hundred forty-two billion, three hundred ten thousand, three hundred twenty-one".