8122281291530 has 32 divisors (see below), whose sum is σ = 16725971978496. Its totient is φ = 2781902317824.

The previous prime is 8122281291529. The next prime is 8122281291541. The reversal of 8122281291530 is 351921822218.

It is a happy number.

It is an unprimeable number.

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, 59928479 + ... + 60063858.

It is an arithmetic number, because the mean of its divisors is an integer number (522686624328).

Almost surely, 2^{8122281291530} is an apocalyptic number.

8122281291530 is an abundant number, since it is smaller than the sum of its proper divisors (8603690686966).

8122281291530 is a wasteful number, since it uses less digits than its factorization.

8122281291530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119993318.

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 8122281291530 in words is "eight trillion, one hundred twenty-two billion, two hundred eighty-one million, two hundred ninety-one thousand, five hundred thirty".