30120321027 has 4 divisors (see below), whose sum is σ = 40160428040. Its totient is φ = 20080214016.

The previous prime is 30120320987. The next prime is 30120321041. The reversal of 30120321027 is 72012302103.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30120321027 - 2¹⁰ = 30120320003 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30120320994 and 30120321012.

It is not an unprimeable number, because it can be changed into a prime (30120321097) 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, 5020053502 + ... + 5020053507.

It is an arithmetic number, because the mean of its divisors is an integer number (10040107010).

Almost surely, 2^30120321027 is an apocalyptic number.

30120321027 is a deficient number, since it is larger than the sum of its proper divisors (10040107013).

30120321027 is a wasteful number, since it uses less digits than its factorization.

30120321027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10040107012.

The product of its (nonzero) digits is 504, while the sum is 21.

The spelling of 30120321027 in words is "thirty billion, one hundred twenty million, three hundred twenty-one thousand, twenty-seven".