196512997200 has 720 divisors, whose sum is σ = 711105557760. Its totient is φ = 46330552320.

The previous prime is 196512997199. The next prime is 196512997237. The reversal of 196512997200 is 2799215691.

It is a super-3 number, since 3×196512997200³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 505174606 + ... + 505174994.

It is an arithmetic number, because the mean of its divisors is an integer number (987646608).

Almost surely, 2^196512997200 is an apocalyptic number.

196512997200 is a gapful number since it is divisible by the number (10) 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 196512997200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355552778880).

196512997200 is an abundant number, since it is smaller than the sum of its proper divisors (514592560560).

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

196512997200 is a wasteful number, since it uses less digits than its factorization.

196512997200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 51.

The spelling of 196512997200 in words is "one hundred ninety-six billion, five hundred twelve million, nine hundred ninety-seven thousand, two hundred".