212422330423013 has 4 divisors (see below), whose sum is σ = 212422441573260. Its totient is φ = 212422219272768.

The previous prime is 212422330422989. The next prime is 212422330423081. The reversal of 212422330423013 is 310324033224212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76344552826369 + 136077777596644 = 8737537^2 + 11665238^2 .

It is a cyclic number.

It is not a de Polignac number, because 212422330423013 - 2¹⁸ = 212422330160869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212422330423213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52657370 + ... + 56547707.

It is an arithmetic number, because the mean of its divisors is an integer number (53105610393315).

Almost surely, 2^{212422330423013} is an apocalyptic number.

It is an amenable number.

212422330423013 is a deficient number, since it is larger than the sum of its proper divisors (111150247).

212422330423013 is a wasteful number, since it uses less digits than its factorization.

212422330423013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111150246.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 212422330423013 its reverse (310324033224212), we get a palindrome (522746363647225).

The spelling of 212422330423013 in words is "two hundred twelve trillion, four hundred twenty-two billion, three hundred thirty million, four hundred twenty-three thousand, thirteen".