212203423999 has 8 divisors (see below), whose sum is σ = 242526112928. Its totient is φ = 181882713600.

The previous prime is 212203423937. The next prime is 212203424047. The reversal of 212203423999 is 999324302212.

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

It is a de Polignac number, because none of the positive numbers 2^k-212203423999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212203423919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257202 + ... + 700399.

It is an arithmetic number, because the mean of its divisors is an integer number (30315764116).

Almost surely, 2^212203423999 is an apocalyptic number.

212203423999 is a deficient number, since it is larger than the sum of its proper divisors (30322688929).

212203423999 is an equidigital number, since it uses as much as digits as its factorization.

212203423999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989265.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 212203423999 in words is "two hundred twelve billion, two hundred three million, four hundred twenty-three thousand, nine hundred ninety-nine".