12700415477 has 2 divisors, whose sum is σ = 12700415478. Its totient is φ = 12700415476.

The previous prime is 12700415473. The next prime is 12700415521. The reversal of 12700415477 is 77451400721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12697007761 + 3407716 = 112681^2 + 1846^2 .

It is a cyclic number.

It is not a de Polignac number, because 12700415477 - 2² = 12700415473 is a prime.

It is a super-2 number, since 2×12700415477² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12700415477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12700415473) 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, 6350207738 + 6350207739.

It is an arithmetic number, because the mean of its divisors is an integer number (6350207739).

Almost surely, 2^12700415477 is an apocalyptic number.

It is an amenable number.

12700415477 is a deficient number, since it is larger than the sum of its proper divisors (1).

12700415477 is an equidigital number, since it uses as much as digits as its factorization.

12700415477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54880, while the sum is 38.

The spelling of 12700415477 in words is "twelve billion, seven hundred million, four hundred fifteen thousand, four hundred seventy-seven".