300030312011220 has 144 divisors (see below), whose sum is σ = 1064293572101760. Its totient is φ = 66983511506688.

The previous prime is 300030312011197. The next prime is 300030312011231. The reversal of 300030312011220 is 22110213030003.

300030312011220 is a `hidden beast` number, since 300 + 0 + 30 + 312 + 0 + 1 + 1 + 2 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 300030312011193 and 300030312011202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2768774835 + ... + 2768883194.

It is an arithmetic number, because the mean of its divisors is an integer number (7390927584040).

Almost surely, 2^{300030312011220} is an apocalyptic number.

300030312011220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

300030312011220 is an abundant number, since it is smaller than the sum of its proper divisors (764263260090540).

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

300030312011220 is a wasteful number, since it uses less digits than its factorization.

300030312011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537658094 (or 5537658089 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 300030312011220 its reverse (22110213030003), we get a palindrome (322140525041223).

The spelling of 300030312011220 in words is "three hundred trillion, thirty billion, three hundred twelve million, eleven thousand, two hundred twenty".