1272852113364 has 36 divisors (see below), whose sum is σ = 3464986309876. Its totient is φ = 391646803968.

The previous prime is 1272852113311. The next prime is 1272852113387. The reversal of 1272852113364 is 4633112582721.

1272852113364 is a `hidden beast` number, since 1 + 2 + 7 + 285 + 2 + 1 + 1 + 3 + 364 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 481855328964 + 790996784400 = 694158^2 + 889380^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1272852113364² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1359884269 + ... + 1359885204.

Almost surely, 2^{1272852113364} is an apocalyptic number.

It is an amenable number.

1272852113364 is an abundant number, since it is smaller than the sum of its proper divisors (2192134196512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1272852113364 is a wasteful number, since it uses less digits than its factorization.

1272852113364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2719769496 (or 2719769491 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The spelling of 1272852113364 in words is "one trillion, two hundred seventy-two billion, eight hundred fifty-two million, one hundred thirteen thousand, three hundred sixty-four".