30121441252 has 48 divisors (see below), whose sum is σ = 62341896960. Its totient is φ = 12459710592.

The previous prime is 30121441241. The next prime is 30121441261. The reversal of 30121441252 is 25214412103.

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 15 ways as a sum of consecutive naturals, for example, 3509238 + ... + 3517810.

It is an arithmetic number, because the mean of its divisors is an integer number (1298789520).

Almost surely, 2^30121441252 is an apocalyptic number.

It is an amenable number.

30121441252 is an abundant number, since it is smaller than the sum of its proper divisors (32220455708).

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

30121441252 is a wasteful number, since it uses less digits than its factorization.

30121441252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12940 (or 12938 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 30121441252 its reverse (25214412103), we get a palindrome (55335853355).

The spelling of 30121441252 in words is "thirty billion, one hundred twenty-one million, four hundred forty-one thousand, two hundred fifty-two".