101200200123 has 16 divisors (see below), whose sum is σ = 153600304896. Its totient is φ = 58666782240.

The previous prime is 101200200121. The next prime is 101200200139. The reversal of 101200200123 is 321002002101.

It is not a de Polignac number, because 101200200123 - 2¹ = 101200200121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101200200099 and 101200200108.

It is not an unprimeable number, because it can be changed into a prime (101200200121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66666040 + ... + 66667557.

It is an arithmetic number, because the mean of its divisors is an integer number (9600019056).

Almost surely, 2^101200200123 is an apocalyptic number.

101200200123 is a deficient number, since it is larger than the sum of its proper divisors (52400104773).

101200200123 is a wasteful number, since it uses less digits than its factorization.

101200200123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133333634.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 101200200123 its reverse (321002002101), we get a palindrome (422202202224).

The spelling of 101200200123 in words is "one hundred one billion, two hundred million, two hundred thousand, one hundred twenty-three".