30121132100 has 36 divisors (see below), whose sum is σ = 69207734484. Its totient is φ = 11339719680.

The previous prime is 30121132081. The next prime is 30121132133. The reversal of 30121132100 is 123112103.

It can be written as a sum of positive squares in 6 ways, for example, as 835396 + 30120296704 = 914^2 + 173552^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 8857457 + ... + 8860856.

It is an arithmetic number, because the mean of its divisors is an integer number (1922437069).

Almost surely, 2^30121132100 is an apocalyptic number.

It is an amenable number.

30121132100 is an abundant number, since it is smaller than the sum of its proper divisors (39086602384).

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

30121132100 is a wasteful number, since it uses less digits than its factorization.

30121132100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17718344 (or 17718337 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30121132100 its reverse (123112103), we get a palindrome (30244244203).

The spelling of 30121132100 in words is "thirty billion, one hundred twenty-one million, one hundred thirty-two thousand, one hundred".