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1220112000210 = 2351719712144043
BaseRepresentation
bin10001110000010100010…
…101111010010011010010
311022122022200222120122010
4101300110111322103102
5124442242133001320
62332302310323350
7154102340612115
oct21602425722322
94278280876563
101220112000210
114304a0463574
12178571059556
138b09624824c
14430a764657c
1521b106cbae0
hex11c1457a4d2

1220112000210 has 64 divisors (see below), whose sum is σ = 3116258842752. Its totient is φ = 304669725696.

The previous prime is 1220112000179. The next prime is 1220112000257. The reversal of 1220112000210 is 120002110221.

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, 5971552 + ... + 6172491.

It is an arithmetic number, because the mean of its divisors is an integer number (48691544418).

Almost surely, 21220112000210 is an apocalyptic number.

1220112000210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220112000210 is an abundant number, since it is smaller than the sum of its proper divisors (1896146842542).

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

1220112000210 is a wasteful number, since it uses less digits than its factorization.

1220112000210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12144267.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1220112000210 its reverse (120002110221), we get a palindrome (1340114110431).

The spelling of 1220112000210 in words is "one trillion, two hundred twenty billion, one hundred twelve million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 197 255 394 510 591 985 1182 1970 2955 3349 5910 6698 10047 16745 20094 33490 50235 100470 12144043 24288086 36432129 60720215 72864258 121440430 182160645 206448731 364321290 412897462 619346193 1032243655 1238692386 2064487310 2392376471 3096730965 4784752942 6193461930 7177129413 11961882355 14354258826 23923764710 35885647065 40670400007 71771294130 81340800014 122011200021 203352000035 244022400042 406704000070 610056000105 1220112000210