30012205557 has 8 divisors (see below), whose sum is σ = 40428813376. Its totient is φ = 19801867392.

The previous prime is 30012205547. The next prime is 30012205579. The reversal of 30012205557 is 75550221003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30012205557 - 2¹¹ = 30012203509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012205547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51567073 + ... + 51567654.

It is an arithmetic number, because the mean of its divisors is an integer number (5053601672).

Almost surely, 2^30012205557 is an apocalyptic number.

It is an amenable number.

30012205557 is a deficient number, since it is larger than the sum of its proper divisors (10416607819).

30012205557 is a wasteful number, since it uses less digits than its factorization.

30012205557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103134827.

The product of its (nonzero) digits is 10500, while the sum is 30.

The spelling of 30012205557 in words is "thirty billion, twelve million, two hundred five thousand, five hundred fifty-seven".