222312129999 has 8 divisors (see below), whose sum is σ = 312017024640. Its totient is φ = 140407661016.

The previous prime is 222312129997. The next prime is 222312130021. The reversal of 222312129999 is 999921213222.

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

It is not a de Polignac number, because 222312129999 - 2¹ = 222312129997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222312129997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1950106347 + ... + 1950106460.

It is an arithmetic number, because the mean of its divisors is an integer number (39002128080).

Almost surely, 2^222312129999 is an apocalyptic number.

222312129999 is a deficient number, since it is larger than the sum of its proper divisors (89704894641).

222312129999 is a wasteful number, since it uses less digits than its factorization.

222312129999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900212829.

The product of its digits is 629856, while the sum is 51.

The spelling of 222312129999 in words is "two hundred twenty-two billion, three hundred twelve million, one hundred twenty-nine thousand, nine hundred ninety-nine".