30212221023 has 10 divisors (see below), whose sum is σ = 45131836464. Its totient is φ = 20141480628.

The previous prime is 30212221009. The next prime is 30212221031. The reversal of 30212221023 is 32012221203.

It is not a de Polignac number, because 30212221023 - 2⁶ = 30212220959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30212220987 and 30212221005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212221073) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 186495111 + ... + 186495272.

Almost surely, 2^30212221023 is an apocalyptic number.

30212221023 is a deficient number, since it is larger than the sum of its proper divisors (14919615441).

30212221023 is an equidigital number, since it uses as much as digits as its factorization.

30212221023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372990395 (or 372990386 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30212221023 its reverse (32012221203), we get a palindrome (62224442226).

The spelling of 30212221023 in words is "thirty billion, two hundred twelve million, two hundred twenty-one thousand, twenty-three".