212222301312013 has 4 divisors (see below), whose sum is σ = 212223733913788. Its totient is φ = 212220868710240.

The previous prime is 212222301311971. The next prime is 212222301312067. The reversal of 212222301312013 is 310213103222212.

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 142036745618889 + 70185555693124 = 11917917^2 + 8377682^2 .

It is a cyclic number.

It is not a de Polignac number, because 212222301312013 - 2¹⁷ = 212222301180941 is a prime.

It is a super-2 number, since 2×212222301312013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212222301012013) 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 3 ways as a sum of consecutive naturals, for example, 716078658 + ... + 716374963.

It is an arithmetic number, because the mean of its divisors is an integer number (53055933478447).

Almost surely, 2^{212222301312013} is an apocalyptic number.

It is an amenable number.

212222301312013 is a deficient number, since it is larger than the sum of its proper divisors (1432601775).

212222301312013 is a wasteful number, since it uses less digits than its factorization.

212222301312013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432601774.

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

Adding to 212222301312013 its reverse (310213103222212), we get a palindrome (522435404534225).

The spelling of 212222301312013 in words is "two hundred twelve trillion, two hundred twenty-two billion, three hundred one million, three hundred twelve thousand, thirteen".