30122220213 has 24 divisors (see below), whose sum is σ = 44927600640. Its totient is φ = 19427554080.

The previous prime is 30122220199. The next prime is 30122220217. The reversal of 30122220213 is 31202222103.

It is not a de Polignac number, because 30122220213 - 2²² = 30118025909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122220217) 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, 970428 + ... + 1000986.

It is an arithmetic number, because the mean of its divisors is an integer number (1871983360).

Almost surely, 2^30122220213 is an apocalyptic number.

It is an amenable number.

30122220213 is a deficient number, since it is larger than the sum of its proper divisors (14805380427).

30122220213 is a wasteful number, since it uses less digits than its factorization.

30122220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34129 (or 34126 counting only the distinct ones).

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

Adding to 30122220213 its reverse (31202222103), we get a palindrome (61324442316).

The spelling of 30122220213 in words is "thirty billion, one hundred twenty-two million, two hundred twenty thousand, two hundred thirteen".