20112321123130 has 8 divisors (see below), whose sum is σ = 36202178021652. Its totient is φ = 8044928449248.

The previous prime is 20112321123079. The next prime is 20112321123143. The reversal of 20112321123130 is 3132112321102.

It can be written as a sum of positive squares in 2 ways, for example, as 18401637622369 + 1710683500761 = 4289713^2 + 1307931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005616056147 + ... + 1005616056166.

Almost surely, 2^{20112321123130} is an apocalyptic number.

20112321123130 is a deficient number, since it is larger than the sum of its proper divisors (16089856898522).

20112321123130 is a wasteful number, since it uses less digits than its factorization.

20112321123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011232112320.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20112321123130 its reverse (3132112321102), we get a palindrome (23244433444232).

The spelling of 20112321123130 in words is "twenty trillion, one hundred twelve billion, three hundred twenty-one million, one hundred twenty-three thousand, one hundred thirty".