212423424324211 has 16 divisors (see below), whose sum is σ = 226455001041600. Its totient is φ = 198566130723840.

The previous prime is 212423424324101. The next prime is 212423424324233. The reversal of 212423424324211 is 112423424324212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212423424324211 - 2¹⁷ = 212423424193139 is a prime.

It is a super-2 number, since 2×212423424324211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212423424328211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54481410 + ... + 58250071.

It is an arithmetic number, because the mean of its divisors is an integer number (14153437565100).

Almost surely, 2^{212423424324211} is an apocalyptic number.

212423424324211 is a deficient number, since it is larger than the sum of its proper divisors (14031576717389).

212423424324211 is a wasteful number, since it uses less digits than its factorization.

212423424324211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112732254.

The product of its digits is 147456, while the sum is 37.

Adding to 212423424324211 its reverse (112423424324212), we get a palindrome (324846848648423).

Subtracting from 212423424324211 its reverse (112423424324212), we obtain a palindrome (99999999999999).

The spelling of 212423424324211 in words is "two hundred twelve trillion, four hundred twenty-three billion, four hundred twenty-four million, three hundred twenty-four thousand, two hundred eleven".