12260455477 has 2 divisors, whose sum is σ = 12260455478. Its totient is φ = 12260455476.

The previous prime is 12260455447. The next prime is 12260455499. The reversal of 12260455477 is 77455406221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7334380881 + 4926074596 = 85641^2 + 70186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12260455477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12260455447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6130227738 + 6130227739.

It is an arithmetic number, because the mean of its divisors is an integer number (6130227739).

Almost surely, 2^12260455477 is an apocalyptic number.

It is an amenable number.

12260455477 is a deficient number, since it is larger than the sum of its proper divisors (1).

12260455477 is an equidigital number, since it uses as much as digits as its factorization.

12260455477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 12260455477 in words is "twelve billion, two hundred sixty million, four hundred fifty-five thousand, four hundred seventy-seven".