30120132445 has 8 divisors (see below), whose sum is σ = 38924478936. Its totient is φ = 22242559296.

The previous prime is 30120132431. The next prime is 30120132467. The reversal of 30120132445 is 54423102103.

It can be written as a sum of positive squares in 4 ways, for example, as 2018974489 + 28101157956 = 44933^2 + 167634^2 .

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 30120132445 - 2¹⁵ = 30120099677 is a prime.

It is a Duffinian number.

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, 231693262 + ... + 231693391.

It is an arithmetic number, because the mean of its divisors is an integer number (4865559867).

Almost surely, 2^30120132445 is an apocalyptic number.

It is an amenable number.

30120132445 is a deficient number, since it is larger than the sum of its proper divisors (8804346491).

30120132445 is a wasteful number, since it uses less digits than its factorization.

30120132445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463386671.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 30120132445 its reverse (54423102103), we get a palindrome (84543234548).

The spelling of 30120132445 in words is "thirty billion, one hundred twenty million, one hundred thirty-two thousand, four hundred forty-five".