209196214000 has 80 divisors (see below), whose sum is σ = 511051728096. Its totient is φ = 82815744000.

The previous prime is 209196213983. The next prime is 209196214013. The reversal of 209196214000 is 412691902.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345166 + ... + 733165.

Almost surely, 2^209196214000 is an apocalyptic number.

209196214000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

209196214000 is an abundant number, since it is smaller than the sum of its proper divisors (301855514096).

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

209196214000 is a wasteful number, since it uses less digits than its factorization.

209196214000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078451 (or 1078435 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 209196214000 in words is "two hundred nine billion, one hundred ninety-six million, two hundred fourteen thousand".