30321122012 has 6 divisors (see below), whose sum is σ = 53061963528. Its totient is φ = 15160561004.

The previous prime is 30321122003. The next prime is 30321122053. The reversal of 30321122012 is 21022112303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3790140248 + ... + 3790140255.

It is an arithmetic number, because the mean of its divisors is an integer number (8843660588).

Almost surely, 2^30321122012 is an apocalyptic number.

It is an amenable number.

30321122012 is a deficient number, since it is larger than the sum of its proper divisors (22740841516).

30321122012 is a wasteful number, since it uses less digits than its factorization.

30321122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7580280507 (or 7580280505 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30321122012 its reverse (21022112303), we get a palindrome (51343234315).

The spelling of 30321122012 in words is "thirty billion, three hundred twenty-one million, one hundred twenty-two thousand, twelve".