30120010000 has 50 divisors (see below), whose sum is σ = 72923580422. Its totient is φ = 12048000000.

The previous prime is 30120009989. The next prime is 30120010061. The reversal of 30120010000 is 1002103.

It can be written as a sum of positive squares in 5 ways, for example, as 6216376336 + 23903633664 = 78844^2 + 154608^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a super-3 number, since 3×30120010000³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 1496001 + ... + 1516000.

Almost surely, 2^30120010000 is an apocalyptic number.

It is an amenable number.

30120010000 is an abundant number, since it is smaller than the sum of its proper divisors (42803570422).

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

30120010000 is an equidigital number, since it uses as much as digits as its factorization.

30120010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012029 (or 3012008 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 30120010000 its reverse (1002103), we get a palindrome (30121012103).

The spelling of 30120010000 in words is "thirty billion, one hundred twenty million, ten thousand".