30561356056012 has 24 divisors (see below), whose sum is σ = 54039991924800. Its totient is φ = 15122115227520.

The previous prime is 30561356055973. The next prime is 30561356056031. The reversal of 30561356056012 is 21065065316503.

It is a self number, because there is not a number n which added to its sum of digits gives 30561356056012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94446313 + ... + 94769344.

It is an arithmetic number, because the mean of its divisors is an integer number (2251666330200).

Almost surely, 2^{30561356056012} is an apocalyptic number.

It is an amenable number.

30561356056012 is a deficient number, since it is larger than the sum of its proper divisors (23478635868788).

30561356056012 is a wasteful number, since it uses less digits than its factorization.

30561356056012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189216081 (or 189216079 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 30561356056012 in words is "thirty trillion, five hundred sixty-one billion, three hundred fifty-six million, fifty-six thousand, twelve".