30121210220322 has 48 divisors (see below), whose sum is σ = 65241563244480. Its totient is φ = 9266836228416.

The previous prime is 30121210220239. The next prime is 30121210220323. The reversal of 30121210220322 is 22302201212103.

It is not an unprimeable number, because it can be changed into a prime (30121210220323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5699928 + ... + 9629724.

It is an arithmetic number, because the mean of its divisors is an integer number (1359199234260).

Almost surely, 2^{30121210220322} is an apocalyptic number.

30121210220322 is an abundant number, since it is smaller than the sum of its proper divisors (35120353024158).

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

30121210220322 is a wasteful number, since it uses less digits than its factorization.

30121210220322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3937387 (or 3937374 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30121210220322 its reverse (22302201212103), we get a palindrome (52423411432425).

The spelling of 30121210220322 in words is "thirty trillion, one hundred twenty-one billion, two hundred ten million, two hundred twenty thousand, three hundred twenty-two".