197313249312 has 72 divisors (see below), whose sum is σ = 567869977584. Its totient is φ = 64978652544.

The previous prime is 197313249241. The next prime is 197313249319. The reversal of 197313249312 is 213942313791.

197313249312 is a `hidden beast` number, since 1 + 9 + 7 + 3 + 1 + 324 + 9 + 312 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (197313249319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4103298 + ... + 4151105.

It is an arithmetic number, because the mean of its divisors is an integer number (7887083022).

Almost surely, 2^197313249312 is an apocalyptic number.

197313249312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197313249312 is an abundant number, since it is smaller than the sum of its proper divisors (370556728272).

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

197313249312 is a wasteful number, since it uses less digits than its factorization.

197313249312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8254502 (or 8254491 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The spelling of 197313249312 in words is "one hundred ninety-seven billion, three hundred thirteen million, two hundred forty-nine thousand, three hundred twelve".