30021300012120 has 32 divisors (see below), whose sum is σ = 90063900036720. Its totient is φ = 8005680003200.

The previous prime is 30021300012047. The next prime is 30021300012149. The reversal of 30021300012120 is 2121000312003.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30021300012120.

It is a congruent number.

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, 125088749931 + ... + 125088750170.

Almost surely, 2^{30021300012120} is an apocalyptic number.

30021300012120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30021300012120 is an abundant number, since it is smaller than the sum of its proper divisors (60042600024600).

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

30021300012120 is a wasteful number, since it uses less digits than its factorization.

30021300012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250177500115 (or 250177500111 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30021300012120 its reverse (2121000312003), we get a palindrome (32142300324123).

The spelling of 30021300012120 in words is "thirty trillion, twenty-one billion, three hundred million, twelve thousand, one hundred twenty".