30120100 has 36 divisors (see below), whose sum is σ = 65620800. Its totient is φ = 12000160.

The previous prime is 30120061. The next prime is 30120113. The reversal of 30120100 is 102103.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35481 + ... + 36319.

It is an arithmetic number, because the mean of its divisors is an integer number (1822800).

Almost surely, 2^30120100 is an apocalyptic number.

It is an amenable number.

30120100 is an abundant number, since it is smaller than the sum of its proper divisors (35500700).

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

30120100 is a wasteful number, since it uses less digits than its factorization.

30120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 30120100 is about 5488.1782041038. The cubic root of 30120100 is about 311.1373414203.

Adding to 30120100 its reverse (102103), we get a palindrome (30222203).

The spelling of 30120100 in words is "thirty million, one hundred twenty thousand, one hundred".