30355372122 has 16 divisors (see below), whose sum is σ = 60733320480. Its totient is φ = 10114694672.

The previous prime is 30355372121. The next prime is 30355372129. The reversal of 30355372122 is 22127355303.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30355372121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 923172 + ... + 955487.

It is an arithmetic number, because the mean of its divisors is an integer number (3795832530).

Almost surely, 2^30355372122 is an apocalyptic number.

30355372122 is an abundant number, since it is smaller than the sum of its proper divisors (30377948358).

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

30355372122 is a wasteful number, since it uses less digits than its factorization.

30355372122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1881357.

The product of its (nonzero) digits is 37800, while the sum is 33.

The spelling of 30355372122 in words is "thirty billion, three hundred fifty-five million, three hundred seventy-two thousand, one hundred twenty-two".