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212210001012 = 223171935389871
BaseRepresentation
bin1100010110100010110…
…0111010010001110100
3202021202021120000002010
43011220230322101310
511434101230013022
6241253220444220
721221522150412
oct3055054722164
9667667500063
10212210001012
1181aa8016729
1235164849670
131701bb30149
14a3b19662b2
1557c037750c
hex3168b3a474

212210001012 has 48 divisors (see below), whose sum is σ = 527000124672. Its totient is φ = 66230722560.

The previous prime is 212210001001. The next prime is 212210001103. The reversal of 212210001012 is 210100012212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2655564 + ... + 2734307.

It is an arithmetic number, because the mean of its divisors is an integer number (10979169264).

Almost surely, 2212210001012 is an apocalyptic number.

It is an amenable number.

212210001012 is an abundant number, since it is smaller than the sum of its proper divisors (314790123660).

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

212210001012 is a wasteful number, since it uses less digits than its factorization.

212210001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390088 (or 5390086 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 212210001012 its reverse (210100012212), we get a palindrome (422310013224).

The spelling of 212210001012 in words is "two hundred twelve billion, two hundred ten million, one thousand, twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 193 204 386 579 772 1158 2316 3281 6562 9843 13124 19686 39372 5389871 10779742 16169613 21559484 32339226 64678452 91627807 183255614 274883421 366511228 549766842 1040245103 1099533684 2080490206 3120735309 4160980412 6241470618 12482941236 17684166751 35368333502 53052500253 70736667004 106105000506 212210001012