30122302120 has 16 divisors (see below), whose sum is σ = 67775179860. Its totient is φ = 12048920832.

The previous prime is 30122302033. The next prime is 30122302123. The reversal of 30122302120 is 2120322103.

It can be written as a sum of positive squares in 2 ways, for example, as 30076577476 + 45724644 = 173426^2 + 6762^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30122302094 and 30122302103.

It is not an unprimeable number, because it can be changed into a prime (30122302123) 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, 376528737 + ... + 376528816.

Almost surely, 2^30122302120 is an apocalyptic number.

It is an amenable number.

30122302120 is an abundant number, since it is smaller than the sum of its proper divisors (37652877740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30122302120 is a wasteful number, since it uses less digits than its factorization.

30122302120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753057564 (or 753057560 counting only the distinct ones).

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

Adding to 30122302120 its reverse (2120322103), we get a palindrome (32242624223).

The spelling of 30122302120 in words is "thirty billion, one hundred twenty-two million, three hundred two thousand, one hundred twenty".