30221320120230 has 64 divisors (see below), whose sum is σ = 75815867662848. Its totient is φ = 7695266641920.

The previous prime is 30221320120193. The next prime is 30221320120237. The reversal of 30221320120230 is 3202102312203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30221320120197 and 30221320120206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221320120237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37555956 + ... + 38352215.

It is an arithmetic number, because the mean of its divisors is an integer number (1184622932232).

Almost surely, 2^{30221320120230} is an apocalyptic number.

30221320120230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30221320120230 is an abundant number, since it is smaller than the sum of its proper divisors (45594547542618).

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

30221320120230 is a wasteful number, since it uses less digits than its factorization.

30221320120230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75908781.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30221320120230 its reverse (3202102312203), we get a palindrome (33423422432433).

The spelling of 30221320120230 in words is "thirty trillion, two hundred twenty-one billion, three hundred twenty million, one hundred twenty thousand, two hundred thirty".