1312053453442 has 16 divisors (see below), whose sum is σ = 2086567408800. Its totient is φ = 617027785920.

The previous prime is 1312053453433. The next prime is 1312053453443. The reversal of 1312053453442 is 2443543502131.

It is not an unprimeable number, because it can be changed into a prime (1312053453443) 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, 124195159 + ... + 124205722.

It is an arithmetic number, because the mean of its divisors is an integer number (130410463050).

Almost surely, 2^{1312053453442} is an apocalyptic number.

1312053453442 is a deficient number, since it is larger than the sum of its proper divisors (774513955358).

1312053453442 is a wasteful number, since it uses less digits than its factorization.

1312053453442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248401041.

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 1312053453442 its reverse (2443543502131), we get a palindrome (3755596955573).

The spelling of 1312053453442 in words is "one trillion, three hundred twelve billion, fifty-three million, four hundred fifty-three thousand, four hundred forty-two".