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212201121002120 = 235116319163238037
BaseRepresentation
bin110000001111111011101100…
…011100000011001010001000
31000211100020011222100122200022
4300033323230130003022020
5210303200343434031440
62031151503232400012
762461011411542015
oct6017735434031210
91024306158318608
10212201121002120
1161682a98808888
121b971bba0a6008
1391536312c2ba3
143a5883652c70c
15197ec88a67cb5
hexc0feec703288

212201121002120 has 64 divisors (see below), whose sum is σ = 477890001904320. Its totient is φ = 84802682508544.

The previous prime is 212201121002081. The next prime is 212201121002137. The reversal of 212201121002120 is 21200121102212.

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, 891343742 + ... + 891581778.

It is an arithmetic number, because the mean of its divisors is an integer number (7467031279755).

Almost surely, 2212201121002120 is an apocalyptic number.

212201121002120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201121002120 is an abundant number, since it is smaller than the sum of its proper divisors (265688880902200).

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

212201121002120 is a wasteful number, since it uses less digits than its factorization.

212201121002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258374 (or 258370 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212201121002120 its reverse (21200121102212), we get a palindrome (233401242104332).

The spelling of 212201121002120 in words is "two hundred twelve trillion, two hundred one billion, one hundred twenty-one million, two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1163 2326 4652 5815 9304 11630 19163 23260 38326 46520 76652 95815 153304 191630 238037 383260 476074 766520 952148 1190185 1904296 2380370 4760740 9521480 22286569 44573138 89146276 111432845 178292552 222865690 276837031 445731380 553674062 891462760 1107348124 1384185155 2214696248 2768370310 4561503031 5536740620 9123006062 11073481240 18246012124 22807515155 36492024248 45615030310 91230060620 182460121240 5305028025053 10610056050106 21220112100212 26525140125265 42440224200424 53050280250530 106100560501060 212201121002120