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12222010021210 = 251110117321130137
BaseRepresentation
bin1011000111011010100010…
…0100001101010101011010
31121021102010220002201021121
42301312220210031111122
53100221134031134320
641554414111155454
72401003542033403
oct261665044152532
947242126081247
1012222010021210
113992364036780
12145485a515b8a
136a86b895c142
14303796ccc9aa
15162dc88028aa
hexb1da890d55a

12222010021210 has 128 divisors (see below), whose sum is σ = 24493647345408. Its totient is φ = 4354049280000.

The previous prime is 12222010021153. The next prime is 12222010021217. The reversal of 12222010021210 is 1212001022221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12222010021217) 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, 405533262 + ... + 405563398.

It is an arithmetic number, because the mean of its divisors is an integer number (191356619886).

Almost surely, 212222010021210 is an apocalyptic number.

12222010021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222010021210 is an abundant number, since it is smaller than the sum of its proper divisors (12271637324198).

12222010021210 is a wasteful number, since it uses less digits than its factorization.

12222010021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30640.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12222010021210 its reverse (1212001022221), we get a palindrome (13434011043431).

The spelling of 12222010021210 in words is "twelve trillion, two hundred twenty-two billion, ten million, twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 101 110 173 202 211 346 422 505 865 1010 1055 1111 1730 1903 2110 2222 2321 3806 4642 5555 9515 11110 11605 17473 19030 21311 23210 30137 34946 36503 42622 60274 73006 87365 106555 150685 174730 182515 192203 213110 234421 301370 331507 365030 384406 401533 468842 663014 803066 961015 1172105 1657535 1922030 2007665 2344210 3043837 3315070 3686803 4015330 5213701 6087674 6358907 7373606 10427402 12717814 15219185 18434015 26068505 30438370 31794535 33482207 36868030 40554833 52137010 57350711 63589070 66964414 69947977 81109666 114701422 139895954 167411035 202774165 286753555 334822070 349739885 405548330 526583801 573507110 642249607 699479770 1053167602 1100090911 1284499214 2200181822 2632919005 3211248035 5265838010 5500454555 5792421811 6422496070 7064745677 11000909110 11584843622 12101000021 14129491354 24202000042 28962109055 35323728385 57924218110 60505000105 70647456770 111109182011 121010000210 222218364022 555545910055 1111091820110 1222201002121 2444402004242 6111005010605 12222010021210