131200010123 has 24 divisors (see below), whose sum is σ = 164617377120. Its totient is φ = 103644334080.

The previous prime is 131200010111. The next prime is 131200010173. The reversal of 131200010123 is 321010002131.

It is not a de Polignac number, because 131200010123 - 2⁴ = 131200010107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131200010098 and 131200010107.

It is not an unprimeable number, because it can be changed into a prime (131200010173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 247658 + ... + 568976.

It is an arithmetic number, because the mean of its divisors is an integer number (6859057380).

Almost surely, 2^131200010123 is an apocalyptic number.

131200010123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131200010123 is a deficient number, since it is larger than the sum of its proper divisors (33417366997).

131200010123 is a wasteful number, since it uses less digits than its factorization.

131200010123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321987 (or 321980 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 131200010123 its reverse (321010002131), we get a palindrome (452210012254).

The spelling of 131200010123 in words is "one hundred thirty-one billion, two hundred million, ten thousand, one hundred twenty-three".