30006815542121 has 16 divisors (see below), whose sum is σ = 32959303289280. Its totient is φ = 27092348014080.

The previous prime is 30006815542061. The next prime is 30006815542127. The reversal of 30006815542121 is 12124551860003.

It is a cyclic number.

It is not a de Polignac number, because 30006815542121 - 2¹⁰ = 30006815541097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30006815542127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13669616 + ... + 15712161.

It is an arithmetic number, because the mean of its divisors is an integer number (2059956455580).

Almost surely, 2^{30006815542121} is an apocalyptic number.

It is an amenable number.

30006815542121 is a deficient number, since it is larger than the sum of its proper divisors (2952487747159).

30006815542121 is a wasteful number, since it uses less digits than its factorization.

30006815542121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29382424.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 30006815542121 in words is "thirty trillion, six billion, eight hundred fifteen million, five hundred forty-two thousand, one hundred twenty-one".