30212302221 has 24 divisors (see below), whose sum is σ = 44677620000. Its totient is φ = 19667214432.

The previous prime is 30212302213. The next prime is 30212302229. The reversal of 30212302221 is 12220321203.

It is an interprime number because it is at equal distance from previous prime (30212302213) and next prime (30212302229).

It is not a de Polignac number, because 30212302221 - 2³ = 30212302213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30212302194 and 30212302203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30212302229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111811 + ... + 270048.

It is an arithmetic number, because the mean of its divisors is an integer number (1861567500).

Almost surely, 2^30212302221 is an apocalyptic number.

It is an amenable number.

30212302221 is a deficient number, since it is larger than the sum of its proper divisors (14465317779).

30212302221 is a wasteful number, since it uses less digits than its factorization.

30212302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382073 (or 382070 counting only the distinct ones).

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

Adding to 30212302221 its reverse (12220321203), we get a palindrome (42432623424).

The spelling of 30212302221 in words is "thirty billion, two hundred twelve million, three hundred two thousand, two hundred twenty-one".