30383820921212 has 24 divisors (see below), whose sum is σ = 58015343352960. Its totient is φ = 13808478394160.

The previous prime is 30383820921163. The next prime is 30383820921257. The reversal of 30383820921212 is 21212902838303.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58470818 + ... + 58988169.

It is an arithmetic number, because the mean of its divisors is an integer number (2417305973040).

Almost surely, 2^{30383820921212} is an apocalyptic number.

It is an amenable number.

30383820921212 is a deficient number, since it is larger than the sum of its proper divisors (27631522431748).

30383820921212 is a wasteful number, since it uses less digits than its factorization.

30383820921212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117464881 (or 117464879 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 30383820921212 in words is "thirty trillion, three hundred eighty-three billion, eight hundred twenty million, nine hundred twenty-one thousand, two hundred twelve".