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212000211222 = 23110332033879
BaseRepresentation
bin1100010101110000110…
…0101000000100010110
3202021012122210120120220
43011130030220010112
511433134023224342
6241220324135210
721213364030362
oct3053414500426
9667178716526
10212000211222
11819aa657538
1235106537506
1316cb7528b87
14a391b562a2
1557abc375ec
hex315c328116

212000211222 has 16 divisors (see below), whose sum is σ = 424384842240. Its totient is φ = 70602667112.

The previous prime is 212000211217. The next prime is 212000211229. The reversal of 212000211222 is 222112000212.

It is a super-2 number, since 2×2120002112222 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000211229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16010322 + ... + 16023557.

It is an arithmetic number, because the mean of its divisors is an integer number (26524052640).

Almost surely, 2212000211222 is an apocalyptic number.

212000211222 is an abundant number, since it is smaller than the sum of its proper divisors (212384631018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212000211222 is a wasteful number, since it uses less digits than its factorization.

212000211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32034987.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212000211222 its reverse (222112000212), we get a palindrome (434112211434).

The spelling of 212000211222 in words is "two hundred twelve billion, two hundred eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 1103 2206 3309 6618 32033879 64067758 96101637 192203274 35333368537 70666737074 106000105611 212000211222