30123021302 has 16 divisors (see below), whose sum is σ = 49295023632. Its totient is φ = 13691502720.

The previous prime is 30123021301. The next prime is 30123021407. The reversal of 30123021302 is 20312032103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123021301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 562058 + ... + 613314.

It is an arithmetic number, because the mean of its divisors is an integer number (3080938977).

Almost surely, 2^30123021302 is an apocalyptic number.

30123021302 is a deficient number, since it is larger than the sum of its proper divisors (19172002330).

30123021302 is a wasteful number, since it uses less digits than its factorization.

30123021302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77983.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 30123021302 its reverse (20312032103), we get a palindrome (50435053405).

The spelling of 30123021302 in words is "thirty billion, one hundred twenty-three million, twenty-one thousand, three hundred two".