30210252100 has 144 divisors (see below), whose sum is σ = 77149312128. Its totient is φ = 10051292160.

The previous prime is 30210252049. The next prime is 30210252113. The reversal of 30210252100 is 125201203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11472384 + ... + 11475016.

It is an arithmetic number, because the mean of its divisors is an integer number (535759112).

Almost surely, 2^30210252100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30210252100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38574656064).

30210252100 is an abundant number, since it is smaller than the sum of its proper divisors (46939060028).

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

30210252100 is a wasteful number, since it uses less digits than its factorization.

30210252100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134 (or 3127 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

Adding to 30210252100 its reverse (125201203), we get a palindrome (30335453303).

The spelling of 30210252100 in words is "thirty billion, two hundred ten million, two hundred fifty-two thousand, one hundred".