8321074820142 has 32 divisors (see below), whose sum is σ = 19021018451712. Its totient is φ = 2377272590784.

The previous prime is 8321074820141. The next prime is 8321074820147. The reversal of 8321074820142 is 2410284701238.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 8321074820094 and 8321074820103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8321074820141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6819688 + ... + 7946715.

It is an arithmetic number, because the mean of its divisors is an integer number (594406826616).

Almost surely, 2^{8321074820142} is an apocalyptic number.

8321074820142 is an abundant number, since it is smaller than the sum of its proper divisors (10699943631570).

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

8321074820142 is a wasteful number, since it uses less digits than its factorization.

8321074820142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14779832.

The product of its (nonzero) digits is 172032, while the sum is 42.

The spelling of 8321074820142 in words is "eight trillion, three hundred twenty-one billion, seventy-four million, eight hundred twenty thousand, one hundred forty-two".