30123001131800 has 48 divisors (see below), whose sum is σ = 73722081726600. Its totient is φ = 11415032006400.

The previous prime is 30123001131791. The next prime is 30123001131823. The reversal of 30123001131800 is 813110032103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3963548981 + ... + 3963556580.

Almost surely, 2^{30123001131800} is an apocalyptic number.

It is an amenable number.

30123001131800 is an abundant number, since it is smaller than the sum of its proper divisors (43599080594800).

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

30123001131800 is a wasteful number, since it uses less digits than its factorization.

30123001131800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927105596 (or 7927105587 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 30123001131800 its reverse (813110032103), we get a palindrome (30936111163903).

The spelling of 30123001131800 in words is "thirty trillion, one hundred twenty-three billion, one million, one hundred thirty-one thousand, eight hundred".