30120230122 has 4 divisors (see below), whose sum is σ = 45180345186. Its totient is φ = 15060115060.

The previous prime is 30120230017. The next prime is 30120230141. The reversal of 30120230122 is 22103202103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22103202103 = 17 ⋅1300188359.

It can be written as a sum of positive squares in only one way, i.e., 25475671321 + 4644558801 = 159611^2 + 68151^2 .

It is a super-2 number, since 2×30120230122² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30120230096 and 30120230105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7530057529 + ... + 7530057532.

Almost surely, 2^30120230122 is an apocalyptic number.

30120230122 is a deficient number, since it is larger than the sum of its proper divisors (15060115064).

30120230122 is a wasteful number, since it uses less digits than its factorization.

30120230122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15060115063.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30120230122 its reverse (22103202103), we get a palindrome (52223432225).

The spelling of 30120230122 in words is "thirty billion, one hundred twenty million, two hundred thirty thousand, one hundred twenty-two".