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12220002012210 = 2352774573217763
BaseRepresentation
bin1011000111010011000011…
…1000010000110000110010
31121021012221221200021202220
42301310300320100300302
53100203031003342320
641553442540421510
72400603020163636
oct261646070206062
947235857607686
1012220002012210
113991523619903
121454399b47896
136a845893c535
1430364634adc6
15162d0c3abe40
hexb1d30e10c32

12220002012210 has 64 divisors (see below), whose sum is σ = 29498298014592. Its totient is φ = 3239797234176.

The previous prime is 12220002012203. The next prime is 12220002012223. The reversal of 12220002012210 is 1221020002221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12220002012210.

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, 2188789 + ... + 5406551.

It is an arithmetic number, because the mean of its divisors is an integer number (460910906478).

Almost surely, 212220002012210 is an apocalyptic number.

12220002012210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220002012210 is an abundant number, since it is smaller than the sum of its proper divisors (17278296002382).

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

12220002012210 is a wasteful number, since it uses less digits than its factorization.

12220002012210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218507.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12220002012210 its reverse (1221020002221), we get a palindrome (13441022014431).

The spelling of 12220002012210 in words is "twelve trillion, two hundred twenty billion, two million, twelve thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 277 457 554 831 914 1371 1385 1662 2285 2742 2770 4155 4570 6855 8310 13710 126589 253178 379767 632945 759534 1265890 1898835 3217763 3797670 6435526 9653289 16088815 19306578 32177630 48266445 96532890 891320351 1470517691 1782640702 2673961053 2941035382 4411553073 4456601755 5347922106 7352588455 8823106146 8913203510 13369805265 14705176910 22057765365 26739610530 44115530730 407333400407 814666800814 1222000201221 2036667002035 2444000402442 4073334004070 6110001006105 12220002012210