12311001411245 has 4 divisors (see below), whose sum is σ = 14773201693500. Its totient is φ = 9848801128992.

The previous prime is 12311001411221. The next prime is 12311001411253. The reversal of 12311001411245 is 54211410011321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4953638108329 + 7357363302916 = 2225677^2 + 2712446^2 .

It is a cyclic number.

It is not a de Polignac number, because 12311001411245 - 2⁸ = 12311001410989 is a prime.

It is a super-2 number, since 2×12311001411245² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1231100141120 + ... + 1231100141129.

It is an arithmetic number, because the mean of its divisors is an integer number (3693300423375).

Almost surely, 2^{12311001411245} is an apocalyptic number.

It is an amenable number.

12311001411245 is a deficient number, since it is larger than the sum of its proper divisors (2462200282255).

12311001411245 is an equidigital number, since it uses as much as digits as its factorization.

12311001411245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2462200282254.

The product of its (nonzero) digits is 960, while the sum is 26.

Adding to 12311001411245 its reverse (54211410011321), we get a palindrome (66522411422566).

The spelling of 12311001411245 in words is "twelve trillion, three hundred eleven billion, one million, four hundred eleven thousand, two hundred forty-five".