9820397012242 has 32 divisors (see below), whose sum is σ = 15155764998912. Its totient is φ = 4768956523584.

The previous prime is 9820397012219. The next prime is 9820397012263. The reversal of 9820397012242 is 2422107930289.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108543048 + ... + 108633484.

It is an arithmetic number, because the mean of its divisors is an integer number (473617656216).

Almost surely, 2^{9820397012242} is an apocalyptic number.

9820397012242 is a deficient number, since it is larger than the sum of its proper divisors (5335367986670).

9820397012242 is a wasteful number, since it uses less digits than its factorization.

9820397012242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93082.

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 9820397012242 in words is "nine trillion, eight hundred twenty billion, three hundred ninety-seven million, twelve thousand, two hundred forty-two".