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212020001022 = 231723295875309
BaseRepresentation
bin1100010101110101100…
…0000111100011111110
3202021021001001000002110
43011131120013203332
511433204110013042
6241222312234450
721214024162524
oct3053530074376
9667231030073
10212020001022
1181a0a843945
123511109ba26
1316cbb66770b
14a394628314
1557ad84609c
hex315d6078fe

212020001022 has 128 divisors (see below), whose sum is σ = 485576985600. Its totient is φ = 61313939456.

The previous prime is 212020001003. The next prime is 212020001027. The reversal of 212020001022 is 220100020212.

It is a junction number, because it is equal to n+sod(n) for n = 212020000989 and 212020001007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020001027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39933304 + ... + 39938612.

It is an arithmetic number, because the mean of its divisors is an integer number (3793570200).

Almost surely, 2212020001022 is an apocalyptic number.

212020001022 is an abundant number, since it is smaller than the sum of its proper divisors (273556984578).

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

212020001022 is a wasteful number, since it uses less digits than its factorization.

212020001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 212020001022 its reverse (220100020212), we get a palindrome (432120021234).

The spelling of 212020001022 in words is "two hundred twelve billion, twenty million, one thousand, twenty-two".

Divisors: 1 2 3 6 17 23 29 34 46 51 58 69 87 102 138 174 391 493 587 667 782 986 1173 1174 1334 1479 1761 2001 2346 2958 3522 4002 5309 9979 10618 11339 13501 15927 17023 19958 22678 27002 29937 31854 34017 34046 40503 51069 59874 68034 81006 90253 102138 122107 153961 180506 229517 244214 270759 289391 307922 366321 391529 459034 461883 541518 578782 688551 732642 783058 868173 923766 1174587 1377102 1736346 2075819 2349174 2617337 3116383 3541103 4151638 5234674 6227457 6232766 6655993 7082206 7852011 9349149 10623309 12454914 13311986 15704022 18698298 19967979 21246618 39935958 52978511 60198751 71676809 90375107 105957022 120397502 143353618 158935533 180596253 180750214 215030427 271125321 317871066 361192506 430060854 542250642 1218505753 1536376819 2078627461 2437011506 3072753638 3655517259 4157254922 4609130457 6235882383 7311034518 9218260914 12471764766 35336666837 70673333674 106010000511 212020001022