212012102120199 has 4 divisors (see below), whose sum is σ = 282682802826936. Its totient is φ = 141341401413464.

The previous prime is 212012102120173. The next prime is 212012102120239. The reversal of 212012102120199 is 991021201210212.

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 212012102120199 - 2¹³ = 212012102112007 is a prime.

It is a super-2 number, since 2×212012102120199² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012102122199) 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, 35335350353364 + ... + 35335350353369.

It is an arithmetic number, because the mean of its divisors is an integer number (70670700706734).

Almost surely, 2^{212012102120199} is an apocalyptic number.

212012102120199 is a deficient number, since it is larger than the sum of its proper divisors (70670700706737).

212012102120199 is an equidigital number, since it uses as much as digits as its factorization.

212012102120199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70670700706736.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 212012102120199 in words is "two hundred twelve trillion, twelve billion, one hundred two million, one hundred twenty thousand, one hundred ninety-nine".