1312434140121 has 96 divisors (see below), whose sum is σ = 2170124611200. Its totient is φ = 757641185280.

The previous prime is 1312434140117. The next prime is 1312434140191. The reversal of 1312434140121 is 1210414342131.

It is a happy number.

1312434140121 is a `hidden beast` number, since 1 + 3 + 1 + 243 + 414 + 0 + 1 + 2 + 1 = 666.

It is not a de Polignac number, because 1312434140121 - 2² = 1312434140117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312434140191) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 366497551 + ... + 366501131.

It is an arithmetic number, because the mean of its divisors is an integer number (22605464700).

Almost surely, 2^{1312434140121} is an apocalyptic number.

It is an amenable number.

1312434140121 is a deficient number, since it is larger than the sum of its proper divisors (857690471079).

1312434140121 is a wasteful number, since it uses less digits than its factorization.

1312434140121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191 (or 5188 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 1312434140121 its reverse (1210414342131), we get a palindrome (2522848482252).

The spelling of 1312434140121 in words is "one trillion, three hundred twelve billion, four hundred thirty-four million, one hundred forty thousand, one hundred twenty-one".