212012202019 has 4 divisors (see below), whose sum is σ = 212019200344. Its totient is φ = 212005203696.

The previous prime is 212012201923. The next prime is 212012202041. The reversal of 212012202019 is 910202210212.

212012202019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212012202019 is a prime.

It is a super-2 number, since 2×212012202019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212012242019) 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 3 ways as a sum of consecutive naturals, for example, 3453522 + ... + 3514375.

It is an arithmetic number, because the mean of its divisors is an integer number (53004800086).

Almost surely, 2^212012202019 is an apocalyptic number.

212012202019 is a deficient number, since it is larger than the sum of its proper divisors (6998325).

212012202019 is an equidigital number, since it uses as much as digits as its factorization.

212012202019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6998324.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 212012202019 in words is "two hundred twelve billion, twelve million, two hundred two thousand, nineteen".