194925143412 has 336 divisors, whose sum is σ = 542077634560. Its totient is φ = 61222003200.

The previous prime is 194925143377. The next prime is 194925143437. The reversal of 194925143412 is 214341529491.

194925143412 is a `hidden beast` number, since 1 + 9 + 4 + 92 + 5 + 143 + 412 = 666.

194925143412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 111 ways as a sum of consecutive naturals, for example, 719280837 + ... + 719281107.

Almost surely, 2^194925143412 is an apocalyptic number.

194925143412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194925143412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271038817280).

194925143412 is an abundant number, since it is smaller than the sum of its proper divisors (347152491148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194925143412 is a wasteful number, since it uses less digits than its factorization.

194925143412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 489 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The spelling of 194925143412 in words is "one hundred ninety-four billion, nine hundred twenty-five million, one hundred forty-three thousand, four hundred twelve".