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12212330120210 = 25113122915638989
BaseRepresentation
bin1011000110110110011110…
…0110010100010000010010
31121020111011021122210102202
42301231213212110100102
53100041323002321320
641550133401243202
72400211632161603
oct261554746242022
947214137583382
1012212330120210
113989246a838a0
1214529b8793502
136a7805388c7c
14303119491daa
15162a0dac3b75
hexb1b67994412

12212330120210 has 64 divisors (see below), whose sum is σ = 24862240742400. Its totient is φ = 4278827116800.

The previous prime is 12212330120203. The next prime is 12212330120227. The reversal of 12212330120210 is 1202103321221.

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, 7038605 + ... + 8600384.

It is an arithmetic number, because the mean of its divisors is an integer number (388472511600).

Almost surely, 212212330120210 is an apocalyptic number.

12212330120210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212330120210 is an abundant number, since it is smaller than the sum of its proper divisors (12649910622190).

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

12212330120210 is a wasteful number, since it uses less digits than its factorization.

12212330120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15639267.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12212330120210 its reverse (1202103321221), we get a palindrome (13414433441431).

The spelling of 12212330120210 in words is "twelve trillion, two hundred twelve billion, three hundred thirty million, one hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 229 310 341 458 682 1145 1705 2290 2519 3410 5038 7099 12595 14198 25190 35495 70990 78089 156178 390445 780890 15638989 31277978 78194945 156389890 172028879 344057758 484808659 860144395 969617318 1720288790 2424043295 3581328481 4848086590 5332895249 7162656962 10665790498 17906642405 26664476245 35813284810 39394613291 53328952490 78789226582 111021182911 196973066455 222042365822 393946132910 555105914555 1110211829110 1221233012021 2442466024042 6106165060105 12212330120210