30203212100 has 18 divisors (see below), whose sum is σ = 65540970474. Its totient is φ = 12081284800.

The previous prime is 30203212049. The next prime is 30203212103. The reversal of 30203212100 is 121230203.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1504819264 + 28698392836 = 38792^2 + 169406^2 .

It is not an unprimeable number, because it can be changed into a prime (30203212103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151015961 + ... + 151016160.

Almost surely, 2^30203212100 is an apocalyptic number.

It is an amenable number.

30203212100 is an abundant number, since it is smaller than the sum of its proper divisors (35337758374).

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

30203212100 is a wasteful number, since it uses less digits than its factorization.

30203212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302032135 (or 302032128 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 30203212100 its reverse (121230203), we get a palindrome (30324442303).

The spelling of 30203212100 in words is "thirty billion, two hundred three million, two hundred twelve thousand, one hundred".