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12101200121210 = 259157996713259
BaseRepresentation
bin1011000000011000011110…
…1111000000110101111010
31120211212022102221220211212
42300012013233000311322
53041231224212334320
641423114203523122
72356166006602454
oct260060757006572
946755272856755
1012101200121210
1139460a9a99812
1214353635294a2
1369a1a4a36a05
142db9b61a12d4
1515eba76bb9c5
hexb0187bc0d7a

12101200121210 has 32 divisors (see below), whose sum is σ = 21788367793920. Its totient is φ = 4839100846272.

The previous prime is 12101200121209. The next prime is 12101200121221. The reversal of 12101200121210 is 1212100210121.

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, 912671561 + ... + 912684819.

It is an arithmetic number, because the mean of its divisors is an integer number (680886493560).

Almost surely, 212101200121210 is an apocalyptic number.

12101200121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101200121210 is a deficient number, since it is larger than the sum of its proper divisors (9687167672710).

12101200121210 is a wasteful number, since it uses less digits than its factorization.

12101200121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32390.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12101200121210 its reverse (1212100210121), we get a palindrome (13313300331331).

The spelling of 12101200121210 in words is "twelve trillion, one hundred one billion, two hundred million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 9157 9967 13259 18314 19934 26518 45785 49835 66295 91570 99670 132590 91267819 121412663 132152453 182535638 242825326 264304906 456339095 607063315 660762265 912678190 1214126630 1321524530 1210120012121 2420240024242 6050600060605 12101200121210