189672319689212 has 96 divisors (see below), whose sum is σ = 362665769001984. Its totient is φ = 86459757696000.

The previous prime is 189672319689211. The next prime is 189672319689221. The reversal of 189672319689212 is 212986913276981.

It is a self number, because there is not a number n which added to its sum of digits gives 189672319689212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189672319689211) 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 31 ways as a sum of consecutive naturals, for example, 87636137 + ... + 89774367.

It is an arithmetic number, because the mean of its divisors is an integer number (3777768427104).

Almost surely, 2^{189672319689212} is an apocalyptic number.

It is an amenable number.

189672319689212 is a deficient number, since it is larger than the sum of its proper divisors (172993449312772).

189672319689212 is a wasteful number, since it uses less digits than its factorization.

189672319689212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138619 (or 2138617 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 74.

The spelling of 189672319689212 in words is "one hundred eighty-nine trillion, six hundred seventy-two billion, three hundred nineteen million, six hundred eighty-nine thousand, two hundred twelve".