20124212110245 has 24 divisors (see below), whose sum is σ = 35323511558400. Its totient is φ = 10597053463776.

The previous prime is 20124212110199. The next prime is 20124212110283. The reversal of 20124212110245 is 54201121242102.

20124212110245 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 421 + 211 + 0 + 24 + 5 = 666.

It is not a de Polignac number, because 20124212110245 - 2⁶ = 20124212110181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2830406025 + ... + 2830413134.

It is an arithmetic number, because the mean of its divisors is an integer number (1471812981600).

Almost surely, 2^{20124212110245} is an apocalyptic number.

It is an amenable number.

20124212110245 is a deficient number, since it is larger than the sum of its proper divisors (15199299448155).

20124212110245 is a wasteful number, since it uses less digits than its factorization.

20124212110245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660819249 (or 5660819246 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 20124212110245 its reverse (54201121242102), we get a palindrome (74325333352347).

The spelling of 20124212110245 in words is "twenty trillion, one hundred twenty-four billion, two hundred twelve million, one hundred ten thousand, two hundred forty-five".