20123130030130 has 8 divisors (see below), whose sum is σ = 36221634054252. Its totient is φ = 8049252012048.

The previous prime is 20123130030053. The next prime is 20123130030173. The reversal of 20123130030130 is 3103003132102.

It can be written as a sum of positive squares in 2 ways, for example, as 18743193494281 + 1379936535849 = 4329341^2 + 1174707^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 20123130030098 and 20123130030107.

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, 1006156501497 + ... + 1006156501516.

Almost surely, 2^{20123130030130} is an apocalyptic number.

20123130030130 is a deficient number, since it is larger than the sum of its proper divisors (16098504024122).

20123130030130 is a wasteful number, since it uses less digits than its factorization.

20123130030130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012313003020.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20123130030130 its reverse (3103003132102), we get a palindrome (23226133162232).

The spelling of 20123130030130 in words is "twenty trillion, one hundred twenty-three billion, one hundred thirty million, thirty thousand, one hundred thirty".