30120580021 has 8 divisors (see below), whose sum is σ = 34455081024. Its totient is φ = 25793969280.

The previous prime is 30120580001. The next prime is 30120580057. The reversal of 30120580021 is 12008502103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30120580021 - 2⁵ = 30120579989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30120579974 and 30120580001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120580001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1964380 + ... + 1979653.

It is an arithmetic number, because the mean of its divisors is an integer number (4306885128).

Almost surely, 2^30120580021 is an apocalyptic number.

It is an amenable number.

30120580021 is a deficient number, since it is larger than the sum of its proper divisors (4334501003).

30120580021 is a wasteful number, since it uses less digits than its factorization.

30120580021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945131.

The product of its (nonzero) digits is 480, while the sum is 22.

The spelling of 30120580021 in words is "thirty billion, one hundred twenty million, five hundred eighty thousand, twenty-one".