181472498212 has 24 divisors (see below), whose sum is σ = 336271169304. Its totient is φ = 85395443712.

The previous prime is 181472498197. The next prime is 181472498219. The reversal of 181472498212 is 212894274181.

It can be written as a sum of positive squares in 4 ways, for example, as 21557286976 + 159915211236 = 146824^2 + 399894^2 .

It is not an unprimeable number, because it can be changed into a prime (181472498219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2817148 + ... + 2880844.

It is an arithmetic number, because the mean of its divisors is an integer number (14011298721).

Almost surely, 2^181472498212 is an apocalyptic number.

It is an amenable number.

181472498212 is a deficient number, since it is larger than the sum of its proper divisors (154798671092).

181472498212 is a wasteful number, since it uses less digits than its factorization.

181472498212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105615 (or 105613 counting only the distinct ones).

The product of its digits is 516096, while the sum is 49.

The spelling of 181472498212 in words is "one hundred eighty-one billion, four hundred seventy-two million, four hundred ninety-eight thousand, two hundred twelve".