30120011133220 has 24 divisors (see below), whose sum is σ = 63254524423608. Its totient is φ = 12047528064000.

The previous prime is 30120011133167. The next prime is 30120011133257. The reversal of 30120011133220 is 2233111002103.

It can be written as a sum of positive squares in 4 ways, for example, as 2741415341284 + 27378595791936 = 1655722^2 + 5232456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29255661 + ... + 30267700.

It is an arithmetic number, because the mean of its divisors is an integer number (2635605184317).

Almost surely, 2^{30120011133220} is an apocalyptic number.

It is an amenable number.

30120011133220 is an abundant number, since it is smaller than the sum of its proper divisors (33134513290388).

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

30120011133220 is a wasteful number, since it uses less digits than its factorization.

30120011133220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59548671 (or 59548669 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30120011133220 its reverse (2233111002103), we get a palindrome (32353122135323).

The spelling of 30120011133220 in words is "thirty trillion, one hundred twenty billion, eleven million, one hundred thirty-three thousand, two hundred twenty".