30121207368 has 128 divisors (see below), whose sum is σ = 87411667200. Its totient is φ = 8471983104.

The previous prime is 30121207327. The next prime is 30121207387. The reversal of 30121207368 is 86370212103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2869746 + ... + 2880222.

It is an arithmetic number, because the mean of its divisors is an integer number (682903650).

Almost surely, 2^30121207368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30121207368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43705833600).

30121207368 is an abundant number, since it is smaller than the sum of its proper divisors (57290459832).

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

30121207368 is a wasteful number, since it uses less digits than its factorization.

30121207368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10759 (or 10755 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The spelling of 30121207368 in words is "thirty billion, one hundred twenty-one million, two hundred seven thousand, three hundred sixty-eight".