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212202212222201 = 1947143236907653
BaseRepresentation
bin110000001111111100101101…
…011110101110010011111001
31000211100100000000200101012212
4300033330231132232103321
5210303210112312102301
62031152203413144505
762461050432006455
oct6017745536562371
91024310000611185
10212202212222201
11616834a8776663
121b97226362b135
1391537763bb446
143a588db423665
15197ecee7674bb
hexc0ff2d7ae4f9

212202212222201 has 8 divisors (see below), whose sum is σ = 223375488803520. Its totient is φ = 201029409550512.

The previous prime is 212202212222179. The next prime is 212202212222251. The reversal of 212202212222201 is 102222212202212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-212202212222201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202212222251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117558110 + ... + 119349543.

It is an arithmetic number, because the mean of its divisors is an integer number (27921936100440).

Almost surely, 2212202212222201 is an apocalyptic number.

It is an amenable number.

212202212222201 is a deficient number, since it is larger than the sum of its proper divisors (11173276581319).

212202212222201 is a wasteful number, since it uses less digits than its factorization.

212202212222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236954815.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 212202212222201 its reverse (102222212202212), we get a palindrome (314424424424413).

The spelling of 212202212222201 in words is "two hundred twelve trillion, two hundred two billion, two hundred twelve million, two hundred twenty-two thousand, two hundred one".

Divisors: 1 19 47143 895717 236907653 4501245407 11168537485379 212202212222201