9281212404000 has 96 divisors (see below), whose sum is σ = 30405251874816. Its totient is φ = 2474989971200.

The previous prime is 9281212403993. The next prime is 9281212404067. The reversal of 9281212404000 is 4042121829.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×9281212404000² (a number of 27 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 386705184 + ... + 386729183.

It is an arithmetic number, because the mean of its divisors is an integer number (316721373696).

Almost surely, 2^{9281212404000} is an apocalyptic number.

It is an amenable number.

9281212404000 is an abundant number, since it is smaller than the sum of its proper divisors (21124039470816).

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

9281212404000 is a wasteful number, since it uses less digits than its factorization.

9281212404000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773434395 (or 773434377 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

Adding to 9281212404000 its reverse (4042121829), we get a palindrome (9285254525829).

The spelling of 9281212404000 in words is "nine trillion, two hundred eighty-one billion, two hundred twelve million, four hundred four thousand".