1272000135622 has 8 divisors (see below), whose sum is σ = 1908385128576. Its totient is φ = 635871759432.

The previous prime is 1272000135599. The next prime is 1272000135641. The reversal of 1272000135622 is 2265310002721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64141798 + ... + 64161625.

It is an arithmetic number, because the mean of its divisors is an integer number (238548141072).

Almost surely, 2^{1272000135622} is an apocalyptic number.

1272000135622 is a deficient number, since it is larger than the sum of its proper divisors (636384992954).

1272000135622 is a wasteful number, since it uses less digits than its factorization.

1272000135622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128308382.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 1272000135622 in words is "one trillion, two hundred seventy-two billion, one hundred thirty-five thousand, six hundred twenty-two".