30506648612123 has 16 divisors (see below), whose sum is σ = 31115305992960. Its totient is φ = 29903029615200.

The previous prime is 30506648612059. The next prime is 30506648612129. The reversal of 30506648612123 is 32121684660503.

It is not a de Polignac number, because 30506648612123 - 2⁶ = 30506648612059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30506648612129) 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, 64669853 + ... + 65139873.

It is an arithmetic number, because the mean of its divisors is an integer number (1944706624560).

Almost surely, 2^{30506648612123} is an apocalyptic number.

30506648612123 is a deficient number, since it is larger than the sum of its proper divisors (608657380837).

30506648612123 is a wasteful number, since it uses less digits than its factorization.

30506648612123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475378.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 30506648612123 in words is "thirty trillion, five hundred six billion, six hundred forty-eight million, six hundred twelve thousand, one hundred twenty-three".