1312210230101 has 2 divisors, whose sum is σ = 1312210230102. Its totient is φ = 1312210230100.

The previous prime is 1312210230073. The next prime is 1312210230119. The reversal of 1312210230101 is 1010320122131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1233434581201 + 78775648900 = 1110601^2 + 280670^2 .

It is an emirp because it is prime and its reverse (1010320122131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312210230101 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312210230101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312210230131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656105115050 + 656105115051.

It is an arithmetic number, because the mean of its divisors is an integer number (656105115051).

Almost surely, 2^{1312210230101} is an apocalyptic number.

It is an amenable number.

1312210230101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312210230101 is an equidigital number, since it uses as much as digits as its factorization.

1312210230101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1312210230101 its reverse (1010320122131), we get a palindrome (2322530352232).

The spelling of 1312210230101 in words is "one trillion, three hundred twelve billion, two hundred ten million, two hundred thirty thousand, one hundred one".