194862199124 has 18 divisors (see below), whose sum is σ = 349529010222. Its totient is φ = 95054728000.

The previous prime is 194862199109. The next prime is 194862199171. The reversal of 194862199124 is 421991268491.

It is a happy number.

194862199124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 30723779524 + 164138419600 = 175282^2 + 405140^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 194862199124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14483327 + ... + 14496774.

Almost surely, 2^194862199124 is an apocalyptic number.

It is an amenable number.

194862199124 is a deficient number, since it is larger than the sum of its proper divisors (154666811098).

194862199124 is a wasteful number, since it uses less digits than its factorization.

194862199124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28980187 (or 28980144 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 56.

The spelling of 194862199124 in words is "one hundred ninety-four billion, eight hundred sixty-two million, one hundred ninety-nine thousand, one hundred twenty-four".