1312523133446 has 16 divisors (see below), whose sum is σ = 2252461681440. Its totient is φ = 561904408320.

The previous prime is 1312523133401. The next prime is 1312523133457. The reversal of 1312523133446 is 6443313252131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50445365 + ... + 50471376.

It is an arithmetic number, because the mean of its divisors is an integer number (140778855090).

Almost surely, 2^{1312523133446} is an apocalyptic number.

1312523133446 is a deficient number, since it is larger than the sum of its proper divisors (939938547994).

1312523133446 is a wasteful number, since it uses less digits than its factorization.

1312523133446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100917679.

The product of its digits is 155520, while the sum is 38.

Adding to 1312523133446 its reverse (6443313252131), we get a palindrome (7755836385577).

The spelling of 1312523133446 in words is "one trillion, three hundred twelve billion, five hundred twenty-three million, one hundred thirty-three thousand, four hundred forty-six".