1172282863072 has 48 divisors (see below), whose sum is σ = 2357267572800. Its totient is φ = 573614176768.

The previous prime is 1172282863067. The next prime is 1172282863091. The reversal of 1172282863072 is 2703682822711.

It is a super-2 number, since 2×1172282863072² (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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18240018 + ... + 18304174.

It is an arithmetic number, because the mean of its divisors is an integer number (49109741100).

Almost surely, 2^{1172282863072} is an apocalyptic number.

It is an amenable number.

1172282863072 is an abundant number, since it is smaller than the sum of its proper divisors (1184984709728).

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

1172282863072 is a wasteful number, since it uses less digits than its factorization.

1172282863072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76363 (or 76355 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 1172282863072 in words is "one trillion, one hundred seventy-two billion, two hundred eighty-two million, eight hundred sixty-three thousand, seventy-two".