30122612 has 12 divisors (see below), whose sum is σ = 56769636. Its totient is φ = 13902720.

The previous prime is 30122611. The next prime is 30122633. The reversal of 30122612 is 21622103.

It can be written as a sum of positive squares in 2 ways, for example, as 19324816 + 10797796 = 4396^2 + 3286^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289589 + ... + 289692.

It is an arithmetic number, because the mean of its divisors is an integer number (4730803).

Almost surely, 2^30122612 is an apocalyptic number.

It is an amenable number.

30122612 is a deficient number, since it is larger than the sum of its proper divisors (26647024).

30122612 is a wasteful number, since it uses less digits than its factorization.

30122612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579298 (or 579296 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 30122612 is about 5488.4070548748. The cubic root of 30122612 is about 311.1459907417.

Adding to 30122612 its reverse (21622103), we get a palindrome (51744715).

The spelling of 30122612 in words is "thirty million, one hundred twenty-two thousand, six hundred twelve".