9812440220042 has 16 divisors (see below), whose sum is σ = 15360703937280. Its totient is φ = 4692263959152.

The previous prime is 9812440220039. The next prime is 9812440220101. The reversal of 9812440220042 is 2400220442189.

It is a junction number, because it is equal to n+sod(n) for n = 9812440219978 and 9812440220005.

It is an unprimeable number.

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, 14256338 + ... + 14928765.

It is an arithmetic number, because the mean of its divisors is an integer number (960043996080).

Almost surely, 2^{9812440220042} is an apocalyptic number.

9812440220042 is a deficient number, since it is larger than the sum of its proper divisors (5548263717238).

9812440220042 is a wasteful number, since it uses less digits than its factorization.

9812440220042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29192437.

The product of its (nonzero) digits is 73728, while the sum is 38.

The spelling of 9812440220042 in words is "nine trillion, eight hundred twelve billion, four hundred forty million, two hundred twenty thousand, forty-two".