212323303331113 has 4 divisors (see below), whose sum is σ = 228655865125828. Its totient is φ = 195990741536400.

The previous prime is 212323303331059. The next prime is 212323303331203. The reversal of 212323303331113 is 311133303323212.

It is a happy number.

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 122279297652009 + 90044005679104 = 11057997^2 + 9489152^2 .

It is a cyclic number.

It is not a de Polignac number, because 212323303331113 - 2⁹ = 212323303330601 is a prime.

It is a super-2 number, since 2×212323303331113² (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 (212323303334113) 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, 8166280897338 + ... + 8166280897363.

It is an arithmetic number, because the mean of its divisors is an integer number (57163966281457).

Almost surely, 2^{212323303331113} is an apocalyptic number.

It is an amenable number.

212323303331113 is a deficient number, since it is larger than the sum of its proper divisors (16332561794715).

212323303331113 is a wasteful number, since it uses less digits than its factorization.

212323303331113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16332561794714.

The product of its (nonzero) digits is 17496, while the sum is 31.

Adding to 212323303331113 its reverse (311133303323212), we get a palindrome (523456606654325).

The spelling of 212323303331113 in words is "two hundred twelve trillion, three hundred twenty-three billion, three hundred three million, three hundred thirty-one thousand, one hundred thirteen".