1310122213225 has 18 divisors (see below), whose sum is σ = 1889784451374. Its totient is φ = 898369516800.

The previous prime is 1310122213201. The next prime is 1310122213237. The reversal of 1310122213225 is 5223122210131.

It can be written as a sum of positive squares in 3 ways, for example, as 25642257424 + 1284479955801 = 160132^2 + 1133349^2 .

It is not a de Polignac number, because 1310122213225 - 2²⁹ = 1309585342313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1310122213225.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 534742536 + ... + 534744985.

Almost surely, 2^{1310122213225} is an apocalyptic number.

It is an amenable number.

1310122213225 is a deficient number, since it is larger than the sum of its proper divisors (579662238149).

1310122213225 is a wasteful number, since it uses less digits than its factorization.

1310122213225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069487545 (or 1069487533 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 1310122213225 its reverse (5223122210131), we get a palindrome (6533244423356).

The spelling of 1310122213225 in words is "one trillion, three hundred ten billion, one hundred twenty-two million, two hundred thirteen thousand, two hundred twenty-five".