212211320012323 has 16 divisors (see below), whose sum is σ = 213015326832000. Its totient is φ = 211408784750592.

The previous prime is 212211320012311. The next prime is 212211320012347. The reversal of 212211320012323 is 323210023112212.

It is a cyclic number.

It is not a de Polignac number, because 212211320012323 - 2²¹ = 212211317915171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212211320012303) 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 15 ways as a sum of consecutive naturals, for example, 4078843036 + ... + 4078895062.

It is an arithmetic number, because the mean of its divisors is an integer number (13313457927000).

Almost surely, 2^{212211320012323} is an apocalyptic number.

212211320012323 is a deficient number, since it is larger than the sum of its proper divisors (804006819677).

212211320012323 is a wasteful number, since it uses less digits than its factorization.

212211320012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65874.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 212211320012323 its reverse (323210023112212), we get a palindrome (535421343124535).

The spelling of 212211320012323 in words is "two hundred twelve trillion, two hundred eleven billion, three hundred twenty million, twelve thousand, three hundred twenty-three".