131200001213123 has 2 divisors, whose sum is σ = 131200001213124. Its totient is φ = 131200001213122.

The previous prime is 131200001213081. The next prime is 131200001213137. The reversal of 131200001213123 is 321312100002131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131200001213123 - 2¹⁶ = 131200001147587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131200001213095 and 131200001213104.

It is not a weakly prime, because it can be changed into another prime (131200001213153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65600000606561 + 65600000606562.

It is an arithmetic number, because the mean of its divisors is an integer number (65600000606562).

Almost surely, 2^{131200001213123} is an apocalyptic number.

131200001213123 is a deficient number, since it is larger than the sum of its proper divisors (1).

131200001213123 is an equidigital number, since it uses as much as digits as its factorization.

131200001213123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 131200001213123 its reverse (321312100002131), we get a palindrome (452512101215254).

The spelling of 131200001213123 in words is "one hundred thirty-one trillion, two hundred billion, one million, two hundred thirteen thousand, one hundred twenty-three".