30615306556012 has 96 divisors (see below), whose sum is σ = 56385552384000. Its totient is φ = 14517180355392.

The previous prime is 30615306556007. The next prime is 30615306556013. The reversal of 30615306556012 is 21065560351603.

It is a self number, because there is not a number n which added to its sum of digits gives 30615306556012.

It is not an unprimeable number, because it can be changed into a prime (30615306556013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6884483173 + ... + 6884487619.

It is an arithmetic number, because the mean of its divisors is an integer number (587349504000).

Almost surely, 2^{30615306556012} is an apocalyptic number.

It is an amenable number.

30615306556012 is a deficient number, since it is larger than the sum of its proper divisors (25770245827988).

30615306556012 is a wasteful number, since it uses less digits than its factorization.

30615306556012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5915 (or 5913 counting only the distinct ones).

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

The spelling of 30615306556012 in words is "thirty trillion, six hundred fifteen billion, three hundred six million, five hundred fifty-six thousand, twelve".