1312203144411 has 12 divisors (see below), whose sum is σ = 1895521630392. Its totient is φ = 874748055456.

The previous prime is 1312203144409. The next prime is 1312203144419. The reversal of 1312203144411 is 1144413022131.

It is a happy number.

1312203144411 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 203 + 1 + 44 + 411 = 666.

It is not a de Polignac number, because 1312203144411 - 2¹ = 1312203144409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312203144419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4349341 + ... + 4641246.

It is an arithmetic number, because the mean of its divisors is an integer number (157960135866).

Almost surely, 2^{1312203144411} is an apocalyptic number.

1312203144411 is a deficient number, since it is larger than the sum of its proper divisors (583318485981).

1312203144411 is a wasteful number, since it uses less digits than its factorization.

1312203144411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9006810 (or 9006807 counting only the distinct ones).

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

Adding to 1312203144411 its reverse (1144413022131), we get a palindrome (2456616166542).

The spelling of 1312203144411 in words is "one trillion, three hundred twelve billion, two hundred three million, one hundred forty-four thousand, four hundred eleven".