30032123122 has 4 divisors (see below), whose sum is σ = 45048184686. Its totient is φ = 15016061560.

The previous prime is 30032123119. The next prime is 30032123161. The reversal of 30032123122 is 22132123003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20704619881 + 9327503241 = 143891^2 + 96579^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30032123122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7508030779 + ... + 7508030782.

Almost surely, 2^30032123122 is an apocalyptic number.

30032123122 is a deficient number, since it is larger than the sum of its proper divisors (15016061564).

30032123122 is a wasteful number, since it uses less digits than its factorization.

30032123122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15016061563.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30032123122 its reverse (22132123003), we get a palindrome (52164246125).

The spelling of 30032123122 in words is "thirty billion, thirty-two million, one hundred twenty-three thousand, one hundred twenty-two".