30123122132 has 48 divisors (see below), whose sum is σ = 55664317632. Its totient is φ = 14245217280.

The previous prime is 30123122131. The next prime is 30123122143. The reversal of 30123122132 is 23122132103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123122131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1331588 + ... + 1354020.

It is an arithmetic number, because the mean of its divisors is an integer number (1159673284).

Almost surely, 2^30123122132 is an apocalyptic number.

It is an amenable number.

30123122132 is a deficient number, since it is larger than the sum of its proper divisors (25541195500).

30123122132 is a wasteful number, since it uses less digits than its factorization.

30123122132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22728 (or 22726 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30123122132 its reverse (23122132103), we get a palindrome (53245254235).

The spelling of 30123122132 in words is "thirty billion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred thirty-two".