9142243422312 has 256 divisors, whose sum is σ = 31340174745600. Its totient is φ = 2145309050880.

The previous prime is 9142243422293. The next prime is 9142243422401. The reversal of 9142243422312 is 2132243422419.

It is a super-2 number, since 2×9142243422312² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 63 ways as a sum of consecutive naturals, for example, 2919237 + ... + 5177492.

It is an arithmetic number, because the mean of its divisors is an integer number (122422557600).

Almost surely, 2^{9142243422312} is an apocalyptic number.

It is an amenable number.

9142243422312 is an abundant number, since it is smaller than the sum of its proper divisors (22197931323288).

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

9142243422312 is a wasteful number, since it uses less digits than its factorization.

9142243422312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8096816 (or 8096812 counting only the distinct ones).

The product of its digits is 165888, while the sum is 39.

The spelling of 9142243422312 in words is "nine trillion, one hundred forty-two billion, two hundred forty-three million, four hundred twenty-two thousand, three hundred twelve".