1299992132836 has 12 divisors (see below), whose sum is σ = 2297510849340. Its totient is φ = 643560461600.

The previous prime is 1299992132819. The next prime is 1299992132893. The reversal of 1299992132836 is 6382312999921.

It can be written as a sum of positive squares in 2 ways, for example, as 974642817600 + 325349315236 = 987240^2 + 570394^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1608900751 + ... + 1608901558.

It is an arithmetic number, because the mean of its divisors is an integer number (191459237445).

Almost surely, 2^{1299992132836} is an apocalyptic number.

It is an amenable number.

1299992132836 is a deficient number, since it is larger than the sum of its proper divisors (997518716504).

1299992132836 is a wasteful number, since it uses less digits than its factorization.

1299992132836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217802414 (or 3217802412 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 64.

The spelling of 1299992132836 in words is "one trillion, two hundred ninety-nine billion, nine hundred ninety-two million, one hundred thirty-two thousand, eight hundred thirty-six".