30123320022 has 24 divisors (see below), whose sum is σ = 65281662576. Its totient is φ = 10038880656.

The previous prime is 30123320021. The next prime is 30123320047. The reversal of 30123320022 is 22002332103.

It is a happy number.

30123320022 is a `hidden beast` number, since 301 + 23 + 320 + 0 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30123319977 and 30123320004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123320021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101013 + ... + 265424.

It is an arithmetic number, because the mean of its divisors is an integer number (2720069274).

Almost surely, 2^30123320022 is an apocalyptic number.

30123320022 is an abundant number, since it is smaller than the sum of its proper divisors (35158342554).

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

30123320022 is a wasteful number, since it uses less digits than its factorization.

30123320022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371012 (or 371009 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 30123320022 its reverse (22002332103), we get a palindrome (52125652125).

The spelling of 30123320022 in words is "thirty billion, one hundred twenty-three million, three hundred twenty thousand, twenty-two".