1299996539596 has 12 divisors (see below), whose sum is σ = 2275245972720. Its totient is φ = 649926261680.

The previous prime is 1299996539591. The next prime is 1299996539603. The reversal of 1299996539596 is 6959356999921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1299996539591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17961400 + ... + 18033631.

It is an arithmetic number, because the mean of its divisors is an integer number (189603831060).

Almost surely, 2^{1299996539596} is an apocalyptic number.

It is an amenable number.

1299996539596 is a deficient number, since it is larger than the sum of its proper divisors (975249433124).

1299996539596 is a wasteful number, since it uses less digits than its factorization.

1299996539596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36004064 (or 36004062 counting only the distinct ones).

The product of its digits is 2869781400, while the sum is 82.

The spelling of 1299996539596 in words is "one trillion, two hundred ninety-nine billion, nine hundred ninety-six million, five hundred thirty-nine thousand, five hundred ninety-six".