20112102300123 has 12 divisors (see below), whose sum is σ = 29063977495488. Its totient is φ = 13401992940720.

The previous prime is 20112102300089. The next prime is 20112102300137. The reversal of 20112102300123 is 32100320121102.

20112102300123 is a `hidden beast` number, since 20 + 11 + 210 + 2 + 300 + 123 = 666.

It is not a de Polignac number, because 20112102300123 - 2¹⁴ = 20112102283739 is a prime.

It is a super-2 number, since 2×20112102300123² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20112102300096 and 20112102300105.

It is not an unprimeable number, because it can be changed into a prime (20112102300923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 506250648 + ... + 506290373.

It is an arithmetic number, because the mean of its divisors is an integer number (2421998124624).

Almost surely, 2^{20112102300123} is an apocalyptic number.

20112102300123 is a deficient number, since it is larger than the sum of its proper divisors (8951875195365).

20112102300123 is a wasteful number, since it uses less digits than its factorization.

20112102300123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012543234 (or 1012543231 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20112102300123 its reverse (32100320121102), we get a palindrome (52212422421225).

The spelling of 20112102300123 in words is "twenty trillion, one hundred twelve billion, one hundred two million, three hundred thousand, one hundred twenty-three".