30122000101220 has 96 divisors (see below), whose sum is σ = 68759567815680. Its totient is φ = 11042231316480.

The previous prime is 30122000101213. The next prime is 30122000101241. The reversal of 30122000101220 is 2210100022103.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30122000101195 and 30122000101204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30531164 + ... + 31502316.

It is an arithmetic number, because the mean of its divisors is an integer number (716245498080).

Almost surely, 2^{30122000101220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30122000101220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34379783907840).

30122000101220 is an abundant number, since it is smaller than the sum of its proper divisors (38637567714460).

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

30122000101220 is a wasteful number, since it uses less digits than its factorization.

30122000101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973845 (or 973843 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 30122000101220 its reverse (2210100022103), we get a palindrome (32332100123323).

The spelling of 30122000101220 in words is "thirty trillion, one hundred twenty-two billion, one hundred one thousand, two hundred twenty".