30120303012 has 48 divisors (see below), whose sum is σ = 71865686592. Its totient is φ = 9815045760.

The previous prime is 30120303007. The next prime is 30120303023. The reversal of 30120303012 is 21030302103.

It is a junction number, because it is equal to n+sod(n) for n = 30120302982 and 30120303000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90687 + ... + 261657.

It is an arithmetic number, because the mean of its divisors is an integer number (1497201804).

Almost surely, 2^30120303012 is an apocalyptic number.

It is an amenable number.

30120303012 is an abundant number, since it is smaller than the sum of its proper divisors (41745383580).

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

30120303012 is a wasteful number, since it uses less digits than its factorization.

30120303012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171308 (or 171306 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30120303012 its reverse (21030302103), we get a palindrome (51150605115).

Subtracting from 30120303012 its reverse (21030302103), we obtain a palindrome (9090000909).

The spelling of 30120303012 in words is "thirty billion, one hundred twenty million, three hundred three thousand, twelve".