30030121133220 has 192 divisors, whose sum is σ = 90643488735744. Its totient is φ = 7384595558400.

The previous prime is 30030121133197. The next prime is 30030121133231. The reversal of 30030121133220 is 2233112103003.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4864750054 + ... + 4864756226.

It is an arithmetic number, because the mean of its divisors is an integer number (472101503832).

Almost surely, 2^{30030121133220} is an apocalyptic number.

30030121133220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30030121133220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45321744367872).

30030121133220 is an abundant number, since it is smaller than the sum of its proper divisors (60613367602524).

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

30030121133220 is a wasteful number, since it uses less digits than its factorization.

30030121133220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11462 (or 11460 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 30030121133220 its reverse (2233112103003), we get a palindrome (32263233236223).

The spelling of 30030121133220 in words is "thirty trillion, thirty billion, one hundred twenty-one million, one hundred thirty-three thousand, two hundred twenty".