197386725312 has 560 divisors, whose sum is σ = 682840635840. Its totient is φ = 55216816128.

The previous prime is 197386725281. The next prime is 197386725427. The reversal of 197386725312 is 213527683791.

197386725312 is a `hidden beast` number, since 1 + 9 + 7 + 38 + 6 + 72 + 531 + 2 = 666.

197386725312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 712587318 + ... + 712587594.

Almost surely, 2^197386725312 is an apocalyptic number.

197386725312 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 197386725312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341420317920).

197386725312 is an abundant number, since it is smaller than the sum of its proper divisors (485453910528).

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

197386725312 is a wasteful number, since it uses less digits than its factorization.

197386725312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 631 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The spelling of 197386725312 in words is "one hundred ninety-seven billion, three hundred eighty-six million, seven hundred twenty-five thousand, three hundred twelve".