1312202012057 has 2 divisors, whose sum is σ = 1312202012058. Its totient is φ = 1312202012056.

The previous prime is 1312202012027. The next prime is 1312202012081. The reversal of 1312202012057 is 7502102022131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 805235227801 + 506966784256 = 897349^2 + 712016^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312202012057 - 2¹⁴ = 1312201995673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312202012027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656101006028 + 656101006029.

It is an arithmetic number, because the mean of its divisors is an integer number (656101006029).

Almost surely, 2^{1312202012057} is an apocalyptic number.

It is an amenable number.

1312202012057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312202012057 is an equidigital number, since it uses as much as digits as its factorization.

1312202012057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 1312202012057 its reverse (7502102022131), we get a palindrome (8814304034188).

The spelling of 1312202012057 in words is "one trillion, three hundred twelve billion, two hundred two million, twelve thousand, fifty-seven".