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1210010210220 = 2235719311491961
BaseRepresentation
bin10001100110111010001…
…110101000111110101100
311021200020200200110220010
4101212322032220332230
5124311100103211340
62323512050053220
7153264116041260
oct21467216507654
94250220613803
101210010210220
114271872451a9
12176611b7a210
138a14643b616
14427c9b880a0
152171d913b80
hex119ba3a8fac

1210010210220 has 96 divisors (see below), whose sum is σ = 3874040464896. Its totient is φ = 276430348800.

The previous prime is 1210010210107. The next prime is 1210010210389. The reversal of 1210010210220 is 220120100121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1210010210196 and 1210010210205.

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, 65040 + ... + 1557000.

It is an arithmetic number, because the mean of its divisors is an integer number (40354588176).

Almost surely, 21210010210220 is an apocalyptic number.

1210010210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210010210220 is an abundant number, since it is smaller than the sum of its proper divisors (2664030254676).

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

1210010210220 is a wasteful number, since it uses less digits than its factorization.

1210010210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493911 (or 1493909 counting only the distinct ones).

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

Adding to 1210010210220 its reverse (220120100121), we get a palindrome (1430130310341).

The spelling of 1210010210220 in words is "one trillion, two hundred ten billion, ten million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 1931 3862 5793 7724 9655 11586 13517 19310 23172 27034 28965 38620 40551 54068 57930 67585 81102 115860 135170 162204 202755 270340 405510 811020 1491961 2983922 4475883 5967844 7459805 8951766 10443727 14919610 17903532 20887454 22379415 29839220 31331181 41774908 44758830 52218635 62662362 89517660 104437270 125324724 156655905 208874540 313311810 626623620 2880976691 5761953382 8642930073 11523906764 14404883455 17285860146 20166836837 28809766910 34571720292 40333673674 43214650365 57619533820 60500510511 80667347348 86429300730 100834184185 121001021022 172858601460 201668368370 242002042044 302502552555 403336736740 605005105110 1210010210220