30120673452 has 48 divisors (see below), whose sum is σ = 73176087264. Its totient is φ = 9634752000.

The previous prime is 30120673409. The next prime is 30120673459. The reversal of 30120673452 is 25437602103.

It is not an unprimeable number, because it can be changed into a prime (30120673459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471799 + ... + 531822.

It is an arithmetic number, because the mean of its divisors is an integer number (1524501818).

Almost surely, 2^30120673452 is an apocalyptic number.

It is an amenable number.

30120673452 is an abundant number, since it is smaller than the sum of its proper divisors (43055413812).

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

30120673452 is a wasteful number, since it uses less digits than its factorization.

30120673452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003730 (or 1003728 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 30120673452 in words is "thirty billion, one hundred twenty million, six hundred seventy-three thousand, four hundred fifty-two".