212200999999 has 4 divisors (see below), whose sum is σ = 212215398336. Its totient is φ = 212186601664.

The previous prime is 212200999931. The next prime is 212201000017. The reversal of 212200999999 is 999999002212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212200999999 - 2¹¹ = 212200997951 is a prime.

It is a Duffinian number.

212200999999 is a modest number, since divided by 999999 gives 212200 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212200991999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7177039 + ... + 7206544.

It is an arithmetic number, because the mean of its divisors is an integer number (53053849584).

Almost surely, 2^212200999999 is an apocalyptic number.

212200999999 is a deficient number, since it is larger than the sum of its proper divisors (14398337).

212200999999 is a wasteful number, since it uses less digits than its factorization.

212200999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14398336.

The product of its (nonzero) digits is 4251528, while the sum is 61.

The spelling of 212200999999 in words is "two hundred twelve billion, two hundred million, nine hundred ninety-nine thousand, nine hundred ninety-nine".