212312243324013 has 32 divisors (see below), whose sum is σ = 331088564505600. Its totient is φ = 118485056866176.

The previous prime is 212312243324009. The next prime is 212312243324047. The reversal of 212312243324013 is 310423342213212.

It is a happy number.

It is not a de Polignac number, because 212312243324013 - 2² = 212312243324009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212312243324213) 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, 7446283 + ... + 21910536.

It is an arithmetic number, because the mean of its divisors is an integer number (10346517640800).

Almost surely, 2^{212312243324013} is an apocalyptic number.

It is an amenable number.

212312243324013 is a deficient number, since it is larger than the sum of its proper divisors (118776321181587).

212312243324013 is a wasteful number, since it uses less digits than its factorization.

212312243324013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29364881.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 212312243324013 its reverse (310423342213212), we get a palindrome (522735585537225).

The spelling of 212312243324013 in words is "two hundred twelve trillion, three hundred twelve billion, two hundred forty-three million, three hundred twenty-four thousand, thirteen".