12549262123 has 2 divisors, whose sum is σ = 12549262124. Its totient is φ = 12549262122.

The previous prime is 12549262097. The next prime is 12549262127. The reversal of 12549262123 is 32126294521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12549262123 - 2⁵ = 12549262091 is a prime.

It is not a weakly prime, because it can be changed into another prime (12549262127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6274631061 + 6274631062.

It is an arithmetic number, because the mean of its divisors is an integer number (6274631062).

Almost surely, 2^12549262123 is an apocalyptic number.

12549262123 is a deficient number, since it is larger than the sum of its proper divisors (1).

12549262123 is an equidigital number, since it uses as much as digits as its factorization.

12549262123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 37.

The spelling of 12549262123 in words is "twelve billion, five hundred forty-nine million, two hundred sixty-two thousand, one hundred twenty-three".