30013221312123 has 16 divisors (see below), whose sum is σ = 45734811528960. Its totient is φ = 17150270033376.

The previous prime is 30013221312121. The next prime is 30013221312131. The reversal of 30013221312123 is 32121312231003.

It is not a de Polignac number, because 30013221312123 - 2¹ = 30013221312121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30013221312093 and 30013221312102.

It is not an unprimeable number, because it can be changed into a prime (30013221312121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3301665 + ... + 8421842.

It is an arithmetic number, because the mean of its divisors is an integer number (2858425720560).

Almost surely, 2^{30013221312123} is an apocalyptic number.

30013221312123 is a deficient number, since it is larger than the sum of its proper divisors (15721590216837).

30013221312123 is a wasteful number, since it uses less digits than its factorization.

30013221312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11845426.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 30013221312123 its reverse (32121312231003), we get a palindrome (62134533543126).

The spelling of 30013221312123 in words is "thirty trillion, thirteen billion, two hundred twenty-one million, three hundred twelve thousand, one hundred twenty-three".