1202182866481 has 9 divisors (see below), whose sum is σ = 1217680733241. Its totient is φ = 1186879839444.

The previous prime is 1202182866439. The next prime is 1202182866491. The reversal of 1202182866481 is 1846682812021.

The square root of 1202182866481 is 1096441.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1202182866481 - 2¹¹ = 1202182864433 is a prime.

It is a super-2 number, since 2×1202182866481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202182866431) by changing a digit.

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 8 ways as a sum of consecutive naturals, for example, 86611900 + ... + 86625778.

It is an arithmetic number, because the mean of its divisors is an integer number (135297859249).

Almost surely, 2^{1202182866481} is an apocalyptic number.

1202182866481 is the 1096441-st square number.

1202182866481 is the 548221-st centered octagonal number.

It is an amenable number.

1202182866481 is a deficient number, since it is larger than the sum of its proper divisors (15497866760).

1202182866481 is an frugal number, since it uses more digits than its factorization.

1202182866481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27916 (or 13958 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 49.

Multiplying 1202182866481 by its sum of digits (49), we get a square (58906960457569 = 7675087²).

The spelling of 1202182866481 in words is "one trillion, two hundred two billion, one hundred eighty-two million, eight hundred sixty-six thousand, four hundred eighty-one".