30012303130021 has 4 divisors (see below), whose sum is σ = 30211060104544. Its totient is φ = 29813546155500.

The previous prime is 30012303129983. The next prime is 30012303130037. The reversal of 30012303130021 is 12003130321003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30012303130021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012303130091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99378487035 + ... + 99378487336.

It is an arithmetic number, because the mean of its divisors is an integer number (7552765026136).

Almost surely, 2^{30012303130021} is an apocalyptic number.

It is an amenable number.

30012303130021 is a deficient number, since it is larger than the sum of its proper divisors (198756974523).

30012303130021 is a wasteful number, since it uses less digits than its factorization.

30012303130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198756974522.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 30012303130021 its reverse (12003130321003), we get a palindrome (42015433451024).

It can be divided in two parts, 300 and 12303130021, that added together give a palindrome (12303130321).

The spelling of 30012303130021 in words is "thirty trillion, twelve billion, three hundred three million, one hundred thirty thousand, twenty-one".