9942812042 has 16 divisors (see below), whose sum is σ = 15199984800. Its totient is φ = 4876517040.

The previous prime is 9942812027. The next prime is 9942812141. The reversal of 9942812042 is 2402182499.

It is a super-2 number, since 2×9942812042² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36992 + ... + 145787.

It is an arithmetic number, because the mean of its divisors is an integer number (949999050).

Almost surely, 2^9942812042 is an apocalyptic number.

9942812042 is a deficient number, since it is larger than the sum of its proper divisors (5257172758).

9942812042 is a wasteful number, since it uses less digits than its factorization.

9942812042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183301.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 9942812042 is about 99713.6502290434. The cubic root of 9942812042 is about 2150.3199121579.

The spelling of 9942812042 in words is "nine billion, nine hundred forty-two million, eight hundred twelve thousand, forty-two".