30120667705 has 8 divisors (see below), whose sum is σ = 36826778952. Its totient is φ = 23641882368.

The previous prime is 30120667699. The next prime is 30120667723. The reversal of 30120667705 is 50776602103.

It can be written as a sum of positive squares in 4 ways, for example, as 818417664 + 29302250041 = 28608^2 + 171179^2 .

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 30120667705 - 2³ = 30120667697 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 56831184 + ... + 56831713.

It is an arithmetic number, because the mean of its divisors is an integer number (4603347369).

Almost surely, 2^30120667705 is an apocalyptic number.

It is an amenable number.

30120667705 is a deficient number, since it is larger than the sum of its proper divisors (6706111247).

30120667705 is a wasteful number, since it uses less digits than its factorization.

30120667705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113662955.

The product of its (nonzero) digits is 52920, while the sum is 37.

The spelling of 30120667705 in words is "thirty billion, one hundred twenty million, six hundred sixty-seven thousand, seven hundred five".