30199112 has 8 divisors (see below), whose sum is σ = 56623350. Its totient is φ = 15099552.

The previous prime is 30199109. The next prime is 30199129. The reversal of 30199112 is 21199103.

It can be written as a sum of positive squares in only one way, i.e., 28026436 + 2172676 = 5294^2 + 1474^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887437 + ... + 1887452.

Almost surely, 2^30199112 is an apocalyptic number.

It is an amenable number.

30199112 is a deficient number, since it is larger than the sum of its proper divisors (26424238).

30199112 is a wasteful number, since it uses less digits than its factorization.

30199112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3774895 (or 3774891 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 30199112 is about 5495.3718709474. The cubic root of 30199112 is about 311.4091656479.

Subtracting from 30199112 its reverse (21199103), we obtain a palindrome (9000009).

The spelling of 30199112 in words is "thirty million, one hundred ninety-nine thousand, one hundred twelve".