1312542067436 has 48 divisors (see below), whose sum is σ = 2577248604000. Its totient is φ = 581230752768.

The previous prime is 1312542067429. The next prime is 1312542067451. The reversal of 1312542067436 is 6347602452131.

It is a super-2 number, since 2×1312542067436² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3216551 + ... + 3601566.

It is an arithmetic number, because the mean of its divisors is an integer number (53692679250).

Almost surely, 2^{1312542067436} is an apocalyptic number.

It is an amenable number.

1312542067436 is a deficient number, since it is larger than the sum of its proper divisors (1264706536564).

1312542067436 is a wasteful number, since it uses less digits than its factorization.

1312542067436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818306 (or 6818304 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 1312542067436 in words is "one trillion, three hundred twelve billion, five hundred forty-two million, sixty-seven thousand, four hundred thirty-six".