30102012222123 has 4 divisors (see below), whose sum is σ = 40136016296168. Its totient is φ = 20068008148080.

The previous prime is 30102012222119. The next prime is 30102012222211. The reversal of 30102012222123 is 32122221020103.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30102012222123 - 2² = 30102012222119 is a prime.

It is a super-2 number, since 2×30102012222123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30102012222123.

It is not an unprimeable number, because it can be changed into a prime (30102012222923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5017002037018 + ... + 5017002037023.

It is an arithmetic number, because the mean of its divisors is an integer number (10034004074042).

Almost surely, 2^{30102012222123} is an apocalyptic number.

30102012222123 is a deficient number, since it is larger than the sum of its proper divisors (10034004074045).

30102012222123 is a wasteful number, since it uses less digits than its factorization.

30102012222123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10034004074044.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 30102012222123 its reverse (32122221020103), we get a palindrome (62224233242226).

The spelling of 30102012222123 in words is "thirty trillion, one hundred two billion, twelve million, two hundred twenty-two thousand, one hundred twenty-three".