1312343144121 has 8 divisors (see below), whose sum is σ = 1749935434464. Its totient is φ = 874823141600.

The previous prime is 1312343144113. The next prime is 1312343144209. The reversal of 1312343144121 is 1214413432131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312343144121 - 2³ = 1312343144113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312343145121) 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, 18029580 + ... + 18102221.

It is an arithmetic number, because the mean of its divisors is an integer number (218741929308).

Almost surely, 2^{1312343144121} is an apocalyptic number.

It is an amenable number.

1312343144121 is a deficient number, since it is larger than the sum of its proper divisors (437592290343).

1312343144121 is a wasteful number, since it uses less digits than its factorization.

1312343144121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36143911.

The product of its digits is 6912, while the sum is 30.

Adding to 1312343144121 its reverse (1214413432131), we get a palindrome (2526756576252).

The spelling of 1312343144121 in words is "one trillion, three hundred twelve billion, three hundred forty-three million, one hundred forty-four thousand, one hundred twenty-one".