30123013200 has 120 divisors (see below), whose sum is σ = 110278947648. Its totient is φ = 6885258240.

The previous prime is 30123013183. The next prime is 30123013223. The reversal of 30123013200 is 231032103.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30123013200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1784637 + ... + 1801436.

Almost surely, 2^30123013200 is an apocalyptic number.

30123013200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30123013200 is an abundant number, since it is smaller than the sum of its proper divisors (80155934448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30123013200 is a wasteful number, since it uses less digits than its factorization.

30123013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586101 (or 3586090 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30123013200 its reverse (231032103), we get a palindrome (30354045303).

The spelling of 30123013200 in words is "thirty billion, one hundred twenty-three million, thirteen thousand, two hundred".