212112202102199 has 4 divisors (see below), whose sum is σ = 242413945259664. Its totient is φ = 181810458944736.

The previous prime is 212112202102123. The next prime is 212112202102259. The reversal of 212112202102199 is 991201202211212.

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 212112202102199 - 2¹⁶ = 212112202036663 is a prime.

It is a super-2 number, since 2×212112202102199² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112202102699) 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, 15150871578722 + ... + 15150871578735.

It is an arithmetic number, because the mean of its divisors is an integer number (60603486314916).

Almost surely, 2^{212112202102199} is an apocalyptic number.

212112202102199 is a deficient number, since it is larger than the sum of its proper divisors (30301743157465).

212112202102199 is an equidigital number, since it uses as much as digits as its factorization.

212112202102199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30301743157464.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 212112202102199 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred two million, one hundred two thousand, one hundred ninety-nine".