212122000199 has 4 divisors (see below), whose sum is σ = 219436551960. Its totient is φ = 204807448440.

The previous prime is 212122000187. The next prime is 212122000217. The reversal of 212122000199 is 991000221212.

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 212122000199 - 2³⁶ = 143402523463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 7314551731 = 212122000199 / (2 + 1 + 2 + 1 + 2 + 2 + 0 + 0 + 0 + 1 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212122000799) 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, 3657275837 + ... + 3657275894.

It is an arithmetic number, because the mean of its divisors is an integer number (54859137990).

Almost surely, 2^212122000199 is an apocalyptic number.

212122000199 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

212122000199 is a deficient number, since it is larger than the sum of its proper divisors (7314551761).

212122000199 is an equidigital number, since it uses as much as digits as its factorization.

212122000199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7314551760.

The product of its (nonzero) digits is 1296, while the sum is 29.

The spelling of 212122000199 in words is "two hundred twelve billion, one hundred twenty-two million, one hundred ninety-nine", and thus it is an aban number.