30212113223 has 4 divisors (see below), whose sum is σ = 30251814528. Its totient is φ = 30172411920.

The previous prime is 30212113213. The next prime is 30212113231. The reversal of 30212113223 is 32231121203.

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

It is a cyclic number.

It is not a de Polignac number, because 30212113223 - 2¹⁰ = 30212112199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30212113195 and 30212113204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212113213) 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, 19849511 + ... + 19851032.

It is an arithmetic number, because the mean of its divisors is an integer number (7562953632).

Almost surely, 2^30212113223 is an apocalyptic number.

30212113223 is a deficient number, since it is larger than the sum of its proper divisors (39701305).

30212113223 is an equidigital number, since it uses as much as digits as its factorization.

30212113223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39701304.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30212113223 its reverse (32231121203), we get a palindrome (62443234426).

The spelling of 30212113223 in words is "thirty billion, two hundred twelve million, one hundred thirteen thousand, two hundred twenty-three".