1312304252211 has 8 divisors (see below), whose sum is σ = 1944154447760. Its totient is φ = 874869501456.

The previous prime is 1312304252173. The next prime is 1312304252213. The reversal of 1312304252211 is 1122524032131.

It is a happy number.

1312304252211 is a `hidden beast` number, since 1 + 3 + 1 + 23 + 0 + 425 + 2 + 211 = 666.

It is not a de Polignac number, because 1312304252211 - 2³⁴ = 1295124383027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 48603861193 = 1312304252211 / (1 + 3 + 1 + 2 + 3 + 0 + 4 + 2 + 5 + 2 + 2 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312304252213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24301930570 + ... + 24301930623.

It is an arithmetic number, because the mean of its divisors is an integer number (243019305970).

Almost surely, 2^{1312304252211} is an apocalyptic number.

1312304252211 is a deficient number, since it is larger than the sum of its proper divisors (631850195549).

1312304252211 is an equidigital number, since it uses as much as digits as its factorization.

1312304252211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48603861202 (or 48603861196 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 1312304252211 its reverse (1122524032131), we get a palindrome (2434828284342).

The spelling of 1312304252211 in words is "one trillion, three hundred twelve billion, three hundred four million, two hundred fifty-two thousand, two hundred eleven".