20012200112123 has 8 divisors (see below), whose sum is σ = 20016345463296. Its totient is φ = 20008055116800.

The previous prime is 20012200112089. The next prime is 20012200112143. The reversal of 20012200112123 is 32121100221002.

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

It is a cyclic number.

It is not a de Polignac number, because 20012200112123 - 2¹⁸ = 20012199849979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20012200112143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132085190 + ... + 132236612.

It is an arithmetic number, because the mean of its divisors is an integer number (2502043182912).

Almost surely, 2^{20012200112123} is an apocalyptic number.

20012200112123 is a deficient number, since it is larger than the sum of its proper divisors (4145351173).

20012200112123 is a wasteful number, since it uses less digits than its factorization.

20012200112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177925.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20012200112123 its reverse (32121100221002), we get a palindrome (52133300333125).

The spelling of 20012200112123 in words is "twenty trillion, twelve billion, two hundred million, one hundred twelve thousand, one hundred twenty-three".