30012198 has 16 divisors (see below), whose sum is σ = 60847536. Its totient is φ = 9866880.

The previous prime is 30012173. The next prime is 30012211. The reversal of 30012198 is 89121003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33823 + ... + 34698.

It is an arithmetic number, because the mean of its divisors is an integer number (3802971).

Almost surely, 2^30012198 is an apocalyptic number.

30012198 is an abundant number, since it is smaller than the sum of its proper divisors (30835338).

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

30012198 is a wasteful number, since it uses less digits than its factorization.

30012198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68599.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 30012198 is about 5478.3389818448. The cubic root of 30012198 is about 310.7653582468.

The spelling of 30012198 in words is "thirty million, twelve thousand, one hundred ninety-eight".