30199012 has 6 divisors (see below), whose sum is σ = 52848278. Its totient is φ = 15099504.

The previous prime is 30199009. The next prime is 30199019. The reversal of 30199012 is 21099103.

It can be written as a sum of positive squares in only one way, i.e., 27815076 + 2383936 = 5274^2 + 1544^2 .

It is a super-2 number, since 2×30199012² = 1823960651552288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30199019) 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 as a sum of consecutive naturals, namely, 3774873 + ... + 3774880.

Almost surely, 2^30199012 is an apocalyptic number.

It is an amenable number.

30199012 is a deficient number, since it is larger than the sum of its proper divisors (22649266).

30199012 is a wasteful number, since it uses less digits than its factorization.

30199012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549757 (or 7549755 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 30199012 is about 5495.3627723745. The cubic root of 30199012 is about 311.4088219186.

Subtracting from 30199012 its reverse (21099103), we obtain a palindrome (9099909).

The spelling of 30199012 in words is "thirty million, one hundred ninety-nine thousand, twelve".