30121211132 has 18 divisors (see below), whose sum is σ = 54467368704. Its totient is φ = 14574777720.

The previous prime is 30121211093. The next prime is 30121211143. The reversal of 30121211132 is 23111212103.

It is a self number, because there is not a number n which added to its sum of digits gives 30121211132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3914108 + ... + 3921795.

It is an arithmetic number, because the mean of its divisors is an integer number (3025964928).

Almost surely, 2^30121211132 is an apocalyptic number.

It is an amenable number.

30121211132 is a deficient number, since it is larger than the sum of its proper divisors (24346157572).

30121211132 is a wasteful number, since it uses less digits than its factorization.

30121211132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7835969 (or 7835936 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 30121211132 its reverse (23111212103), we get a palindrome (53232423235).

The spelling of 30121211132 in words is "thirty billion, one hundred twenty-one million, two hundred eleven thousand, one hundred thirty-two".