197601975012 has 144 divisors (see below), whose sum is σ = 525127606080. Its totient is φ = 57481871616.

The previous prime is 197601974989. The next prime is 197601975019. The reversal of 197601975012 is 210579106791.

It is not an unprimeable number, because it can be changed into a prime (197601975019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29449914 + ... + 29456622.

Almost surely, 2^197601975012 is an apocalyptic number.

197601975012 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 197601975012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262563803040).

197601975012 is an abundant number, since it is smaller than the sum of its proper divisors (327525631068).

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

197601975012 is a wasteful number, since it uses less digits than its factorization.

197601975012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290 (or 7269 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 48.

The spelling of 197601975012 in words is "one hundred ninety-seven billion, six hundred one million, nine hundred seventy-five thousand, twelve".