180185881224212 has 12 divisors (see below), whose sum is σ = 321274825956756. Its totient is φ = 88393073808000.

The previous prime is 180185881224187. The next prime is 180185881224247. The reversal of 180185881224212 is 212422188581081.

It can be written as a sum of positive squares in 2 ways, for example, as 103556796753796 + 76629084470416 = 10176286^2 + 8753804^2 .

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424966700789 + ... + 424966701212.

It is an arithmetic number, because the mean of its divisors is an integer number (26772902163063).

Almost surely, 2^{180185881224212} is an apocalyptic number.

It is an amenable number.

180185881224212 is a deficient number, since it is larger than the sum of its proper divisors (141088944732544).

180185881224212 is a wasteful number, since it uses less digits than its factorization.

180185881224212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849933402058 (or 849933402056 counting only the distinct ones).

The product of its (nonzero) digits is 1310720, while the sum is 53.

The spelling of 180185881224212 in words is "one hundred eighty trillion, one hundred eighty-five billion, eight hundred eighty-one million, two hundred twenty-four thousand, two hundred twelve".