197745085302912 has 1024 divisors, whose sum is σ = 705245377536000. Its totient is φ = 53357952614400.

The previous prime is 197745085302871. The next prime is 197745085302943. The reversal of 197745085302912 is 219203580547791.

It is a happy number.

197745085302912 is a `hidden beast` number, since 1 + 9 + 7 + 7 + 4 + 5 + 0 + 8 + 530 + 2 + 91 + 2 = 666.

It is a super-2 number, since 2×197745085302912² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 197745085302912.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5881227733 + ... + 5881261355.

It is an arithmetic number, because the mean of its divisors is an integer number (688716189000).

Almost surely, 2^{197745085302912} is an apocalyptic number.

197745085302912 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 197745085302912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (352622688768000).

197745085302912 is an abundant number, since it is smaller than the sum of its proper divisors (507500292233088).

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

197745085302912 is a wasteful number, since it uses less digits than its factorization.

197745085302912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33866 (or 33848 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 63.

The spelling of 197745085302912 in words is "one hundred ninety-seven trillion, seven hundred forty-five billion, eighty-five million, three hundred two thousand, nine hundred twelve".