30123032132 has 6 divisors (see below), whose sum is σ = 52715306238. Its totient is φ = 15061516064.

The previous prime is 30123032123. The next prime is 30123032171. The reversal of 30123032132 is 23123032103.

It can be written as a sum of positive squares in only one way, i.e., 17778488896 + 12344543236 = 133336^2 + 111106^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3765379013 + ... + 3765379020.

It is an arithmetic number, because the mean of its divisors is an integer number (8785884373).

Almost surely, 2^30123032132 is an apocalyptic number.

It is an amenable number.

30123032132 is a deficient number, since it is larger than the sum of its proper divisors (22592274106).

30123032132 is a wasteful number, since it uses less digits than its factorization.

30123032132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7530758037 (or 7530758035 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30123032132 its reverse (23123032103), we get a palindrome (53246064235).

The spelling of 30123032132 in words is "thirty billion, one hundred twenty-three million, thirty-two thousand, one hundred thirty-two".