1272568961668 has 24 divisors (see below), whose sum is σ = 2383938295200. Its totient is φ = 592578943488.

The previous prime is 1272568961663. The next prime is 1272568961681. The reversal of 1272568961668 is 8661698652721.

It is not an unprimeable number, because it can be changed into a prime (1272568961663) 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, 141896605 + ... + 141905572.

It is an arithmetic number, because the mean of its divisors is an integer number (99330762300).

Almost surely, 2^{1272568961668} is an apocalyptic number.

It is an amenable number.

1272568961668 is a deficient number, since it is larger than the sum of its proper divisors (1111369333532).

1272568961668 is a wasteful number, since it uses less digits than its factorization.

1272568961668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283802259 (or 283802257 counting only the distinct ones).

The product of its digits is 104509440, while the sum is 67.

The spelling of 1272568961668 in words is "one trillion, two hundred seventy-two billion, five hundred sixty-eight million, nine hundred sixty-one thousand, six hundred sixty-eight".