120100200123 has 16 divisors (see below), whose sum is σ = 160641614336. Its totient is φ = 79813188000.

The previous prime is 120100200053. The next prime is 120100200131. The reversal of 120100200123 is 321002001021.

It is not a de Polignac number, because 120100200123 - 2¹³ = 120100191931 is a prime.

It is a super-3 number, since 3×120100200123³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120100200099 and 120100200108.

It is not an unprimeable number, because it can be changed into a prime (120100200523) 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, 1183665 + ... + 1281117.

It is an arithmetic number, because the mean of its divisors is an integer number (10040100896).

Almost surely, 2^120100200123 is an apocalyptic number.

120100200123 is a deficient number, since it is larger than the sum of its proper divisors (40541414213).

120100200123 is an equidigital number, since it uses as much as digits as its factorization.

120100200123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98754.

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

Adding to 120100200123 its reverse (321002001021), we get a palindrome (441102201144).

The spelling of 120100200123 in words is "one hundred twenty billion, one hundred million, two hundred thousand, one hundred twenty-three".