1312402452404 has 24 divisors (see below), whose sum is σ = 2319620637600. Its totient is φ = 649685717280.

The previous prime is 1312402452397. The next prime is 1312402452457. The reversal of 1312402452404 is 4042542042131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3838142 + ... + 4166069.

It is an arithmetic number, because the mean of its divisors is an integer number (96650859900).

Almost surely, 2^{1312402452404} is an apocalyptic number.

It is an amenable number.

1312402452404 is a deficient number, since it is larger than the sum of its proper divisors (1007218185196).

1312402452404 is a wasteful number, since it uses less digits than its factorization.

1312402452404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004623 (or 8004621 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 1312402452404 its reverse (4042542042131), we get a palindrome (5354944494535).

The spelling of 1312402452404 in words is "one trillion, three hundred twelve billion, four hundred two million, four hundred fifty-two thousand, four hundred four".