212222312999 has 8 divisors (see below), whose sum is σ = 223397354880. Its totient is φ = 201047815800.

The previous prime is 212222312989. The next prime is 212222313011. The reversal of 212222312999 is 999213222212.

212222312999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212222312999 - 2⁴ = 212222312983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222312959) 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 7 ways as a sum of consecutive naturals, for example, 844904 + ... + 1066914.

It is an arithmetic number, because the mean of its divisors is an integer number (27924669360).

Almost surely, 2^212222312999 is an apocalyptic number.

212222312999 is a deficient number, since it is larger than the sum of its proper divisors (11175041881).

212222312999 is a wasteful number, since it uses less digits than its factorization.

212222312999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272341.

The product of its digits is 139968, while the sum is 44.

The spelling of 212222312999 in words is "two hundred twelve billion, two hundred twenty-two million, three hundred twelve thousand, nine hundred ninety-nine".