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12220020221210 = 2519960718715407
BaseRepresentation
bin1011000111010011000111…
…1101101110010100011010
31121021020000012221101211022
42301310301331232110122
53100203100134034320
641553444431002442
72400603331023254
oct261646175562432
947236005841738
1012220020221210
11399153292656a
1214543a4069422
136a845c6466a9
1430364892acd4
15162d0dca7325
hexb1d31f6e51a

12220020221210 has 64 divisors (see below), whose sum is σ = 22158920908800. Its totient is φ = 4851940357440.

The previous prime is 12220020221179. The next prime is 12220020221281. The reversal of 12220020221210 is 1212202002221.

It is a happy 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, 2260034327 + ... + 2260039733.

It is an arithmetic number, because the mean of its divisors is an integer number (346233139200).

Almost surely, 212220020221210 is an apocalyptic number.

12220020221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220020221210 is a deficient number, since it is larger than the sum of its proper divisors (9938900687590).

12220020221210 is a wasteful number, since it uses less digits than its factorization.

12220020221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8091.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12220020221210 its reverse (1212202002221), we get a palindrome (13432222223431).

The spelling of 12220020221210 in words is "twelve trillion, two hundred twenty billion, twenty million, two hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 199 398 607 995 1214 1871 1990 3035 3742 5407 6070 9355 10814 18710 27035 54070 120793 241586 372329 603965 744658 1075993 1135697 1207930 1861645 2151986 2271394 3282049 3723290 5379965 5678485 6564098 10116497 10759930 11356970 16410245 20232994 32820490 50582485 101164970 226003703 452007406 653127751 1130018515 1306255502 2013182903 2260037030 3265638755 4026365806 6140713679 6531277510 10065914515 12281427358 20131829030 30703568395 61407136790 1222002022121 2444004044242 6110010110605 12220020221210