30212420223 has 4 divisors (see below), whose sum is σ = 40283226968. Its totient is φ = 20141613480.

The previous prime is 30212420171. The next prime is 30212420243. The reversal of 30212420223 is 32202421203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32202421203 = 3 ⋅10734140401.

It is not a de Polignac number, because 30212420223 - 2⁶ = 30212420159 is a prime.

It is a super-2 number, since 2×30212420223² (a number of 22 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 30212420223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212420243) 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, 5035403368 + ... + 5035403373.

It is an arithmetic number, because the mean of its divisors is an integer number (10070806742).

Almost surely, 2^30212420223 is an apocalyptic number.

30212420223 is a deficient number, since it is larger than the sum of its proper divisors (10070806745).

30212420223 is a wasteful number, since it uses less digits than its factorization.

30212420223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10070806744.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 30212420223 its reverse (32202421203), we get a palindrome (62414841426).

The spelling of 30212420223 in words is "thirty billion, two hundred twelve million, four hundred twenty thousand, two hundred twenty-three".