30111322012 has 12 divisors (see below), whose sum is σ = 55794508560. Its totient is φ = 14170033856.

The previous prime is 30111321991. The next prime is 30111322051. The reversal of 30111322012 is 21022311103.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 221406712 + ... + 221406847.

It is an arithmetic number, because the mean of its divisors is an integer number (4649542380).

Almost surely, 2^30111322012 is an apocalyptic number.

It is an amenable number.

30111322012 is a deficient number, since it is larger than the sum of its proper divisors (25683186548).

30111322012 is a wasteful number, since it uses less digits than its factorization.

30111322012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442813580 (or 442813578 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 30111322012 its reverse (21022311103), we get a palindrome (51133633115).

The spelling of 30111322012 in words is "thirty billion, one hundred eleven million, three hundred twenty-two thousand, twelve".