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212202212011 = 1006492108339
BaseRepresentation
bin1100010110100000111…
…1001100101010101011
3202021201201220021120121
43011220033030222223
511434042231241021
6241252341504111
721221366020066
oct3055017145253
9667651807517
10212202212011
1181aa3686739
1235162112037
131701a333a7a
14a3b08d98dd
1557be839741
hex31683ccaab

212202212011 has 4 divisors (see below), whose sum is σ = 212204421000. Its totient is φ = 212200003024.

The previous prime is 212202211981. The next prime is 212202212029. The reversal of 212202212011 is 110212202212.

It is a happy number.

212202212011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 212202212011 - 223 = 212193823403 is a prime.

It is a super-2 number, since 2×2122022120112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202212081) 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, 953521 + ... + 1154818.

It is an arithmetic number, because the mean of its divisors is an integer number (53051105250).

Almost surely, 2212202212011 is an apocalyptic number.

212202212011 is a deficient number, since it is larger than the sum of its proper divisors (2208989).

212202212011 is a wasteful number, since it uses less digits than its factorization.

212202212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208988.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212202212011 its reverse (110212202212), we get a palindrome (322414414223).

The spelling of 212202212011 in words is "two hundred twelve billion, two hundred two million, two hundred twelve thousand, eleven".

Divisors: 1 100649 2108339 212202212011