30121212221322 has 16 divisors (see below), whose sum is σ = 60243924648960. Its totient is φ = 10040154039392.

The previous prime is 30121212221239. The next prime is 30121212221327. The reversal of 30121212221322 is 22312221212103.

It is a super-2 number, since 2×30121212221322² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30121212221292 and 30121212221301.

It is not an unprimeable number, because it can be changed into a prime (30121212221327) 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, 62247498 + ... + 62729525.

It is an arithmetic number, because the mean of its divisors is an integer number (3765245290560).

Almost surely, 2^{30121212221322} is an apocalyptic number.

30121212221322 is an abundant number, since it is smaller than the sum of its proper divisors (30122712427638).

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

30121212221322 is a wasteful number, since it uses less digits than its factorization.

30121212221322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125017197.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 30121212221322 its reverse (22312221212103), we get a palindrome (52433433433425).

The spelling of 30121212221322 in words is "thirty trillion, one hundred twenty-one billion, two hundred twelve million, two hundred twenty-one thousand, three hundred twenty-two".