Search a number
-
+
212202001212 = 2234710312372953
BaseRepresentation
bin1100010110100000111…
…0011001001100111100
3202021201201111120102020
43011220032121030330
511434042203014322
6241252333200140
721221364151365
oct3055016311474
9667651446366
10212202001212
1181aa3552323
1235162030050
131701a28bb36
14a3b0882b6c
1557be7e705c
hex316839933c

212202001212 has 96 divisors (see below), whose sum is σ = 511168100352. Its totient is φ = 68478276096.

The previous prime is 212202001181. The next prime is 212202001289. The reversal of 212202001212 is 212100202212.

212202001212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 212202001191 and 212202001200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71858328 + ... + 71861280.

It is an arithmetic number, because the mean of its divisors is an integer number (5324667712).

Almost surely, 2212202001212 is an apocalyptic number.

It is an amenable number.

212202001212 is an abundant number, since it is smaller than the sum of its proper divisors (298966099140).

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

212202001212 is a wasteful number, since it uses less digits than its factorization.

212202001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347 (or 4345 counting only the distinct ones).

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

Adding to 212202001212 its reverse (212100202212), we get a palindrome (424302203424).

The spelling of 212202001212 in words is "two hundred twelve billion, two hundred two million, one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 47 94 103 141 188 206 282 309 412 564 618 1236 1237 2474 2953 3711 4841 4948 5906 7422 8859 9682 11812 14523 14844 17718 19364 29046 35436 58092 58139 116278 127411 138791 174417 232556 254822 277582 304159 348834 382233 416373 509644 555164 608318 697668 764466 832746 912477 1216636 1528932 1665492 1824954 3649908 3652861 5988317 7305722 10958583 11976634 14295473 14611444 17964951 21917166 23953268 28590946 35929902 42886419 43834332 57181892 71859804 85772838 171545676 171684467 343368934 376244683 515053401 686737868 752489366 1030106802 1128734049 1504978732 2060213604 2257468098 4514936196 17683500101 35367000202 53050500303 70734000404 106101000606 212202001212