4223111212999 has 32 divisors (see below), whose sum is σ = 5135141007360. Its totient is φ = 3390370672128.

The previous prime is 4223111212937. The next prime is 4223111213107. The reversal of 4223111212999 is 9992121113224.

It is a cyclic number.

It is not a de Polignac number, because 4223111212999 - 2⁷ = 4223111212871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223111212699) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20917674 + ... + 21118600.

It is an arithmetic number, because the mean of its divisors is an integer number (160473156480).

Almost surely, 2^{4223111212999} is an apocalyptic number.

4223111212999 is a deficient number, since it is larger than the sum of its proper divisors (912029794361).

4223111212999 is a wasteful number, since it uses less digits than its factorization.

4223111212999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201807.

The product of its digits is 139968, while the sum is 46.

The spelling of 4223111212999 in words is "four trillion, two hundred twenty-three billion, one hundred eleven million, two hundred twelve thousand, nine hundred ninety-nine".