12970438057 has 2 divisors, whose sum is σ = 12970438058. Its totient is φ = 12970438056.

The previous prime is 12970437983. The next prime is 12970438073. The reversal of 12970438057 is 75083407921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10020210201 + 2950227856 = 100101^2 + 54316^2 .

It is a cyclic number.

It is not a de Polignac number, because 12970438057 - 2¹⁹ = 12969913769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12970437998 and 12970438016.

It is not a weakly prime, because it can be changed into another prime (12970438087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6485219028 + 6485219029.

It is an arithmetic number, because the mean of its divisors is an integer number (6485219029).

Almost surely, 2^12970438057 is an apocalyptic number.

It is an amenable number.

12970438057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12970438057 is an equidigital number, since it uses as much as digits as its factorization.

12970438057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

It can be divided in two parts, 129704 and 38057, that added together give a palindrome (167761).

The spelling of 12970438057 in words is "twelve billion, nine hundred seventy million, four hundred thirty-eight thousand, fifty-seven".