30012303130020 has 144 divisors (see below), whose sum is σ = 96240042138240. Its totient is φ = 7549514316288.

The previous prime is 30012303129983. The next prime is 30012303130037. The reversal of 30012303130020 is 2003130321003.

30012303130020 is a `hidden beast` number, since 30 + 0 + 12 + 303 + 1 + 300 + 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 = 30012303129975 and 30012303130002.

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, 18034744 + ... + 19628463.

It is an arithmetic number, because the mean of its divisors is an integer number (668333625960).

Almost surely, 2^{30012303130020} is an apocalyptic number.

30012303130020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30012303130020 is an abundant number, since it is smaller than the sum of its proper divisors (66227739008220).

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

30012303130020 is a wasteful number, since it uses less digits than its factorization.

30012303130020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37663474 (or 37663469 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30012303130020 its reverse (2003130321003), we get a palindrome (32015433451023).

The spelling of 30012303130020 in words is "thirty trillion, twelve billion, three hundred three million, one hundred thirty thousand, twenty".