212202209999 has 16 divisors (see below), whose sum is σ = 234379341504. Its totient is φ = 190910304000.

The previous prime is 212202209977. The next prime is 212202210029. The reversal of 212202209999 is 999902202212.

212202209999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212202209999 - 2¹⁶ = 212202144463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202209909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915782 + ... + 1123859.

It is an arithmetic number, because the mean of its divisors is an integer number (14648708844).

Almost surely, 2^212202209999 is an apocalyptic number.

212202209999 is a deficient number, since it is larger than the sum of its proper divisors (22177131505).

212202209999 is a wasteful number, since it uses less digits than its factorization.

212202209999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039858.

The product of its (nonzero) digits is 209952, while the sum is 47.

The spelling of 212202209999 in words is "two hundred twelve billion, two hundred two million, two hundred nine thousand, nine hundred ninety-nine".