12554250500123 has 2 divisors, whose sum is σ = 12554250500124. Its totient is φ = 12554250500122.

The previous prime is 12554250500119. The next prime is 12554250500149. The reversal of 12554250500123 is 32100505245521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12554250500123 - 2² = 12554250500119 is a prime.

It is not a weakly prime, because it can be changed into another prime (12554250500173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6277125250061 + 6277125250062.

It is an arithmetic number, because the mean of its divisors is an integer number (6277125250062).

Almost surely, 2^{12554250500123} is an apocalyptic number.

12554250500123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12554250500123 is an equidigital number, since it uses as much as digits as its factorization.

12554250500123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60000, while the sum is 35.

Adding to 12554250500123 its reverse (32100505245521), we get a palindrome (44654755745644).

The spelling of 12554250500123 in words is "twelve trillion, five hundred fifty-four billion, two hundred fifty million, five hundred thousand, one hundred twenty-three".