9431242120000 has 70 divisors (see below), whose sum is σ = 23386415403098. Its totient is φ = 3772496832000.

The previous prime is 9431242119989. The next prime is 9431242120193. The reversal of 9431242120000 is 212421349.

It can be written as a sum of positive squares in 5 ways, for example, as 2355046267456 + 7076195852544 = 1534616^2 + 2660112^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 117850527 + ... + 117930526.

Almost surely, 2^{9431242120000} is an apocalyptic number.

It is an amenable number.

9431242120000 is an abundant number, since it is smaller than the sum of its proper divisors (13955173283098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9431242120000 is an equidigital number, since it uses as much as digits as its factorization.

9431242120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235781085 (or 235781060 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 9431242120000 its reverse (212421349), we get a palindrome (9431454541349).

The spelling of 9431242120000 in words is "nine trillion, four hundred thirty-one billion, two hundred forty-two million, one hundred twenty thousand".