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11212003011020 = 2257225744516807
BaseRepresentation
bin1010001100100111111101…
…1101001110100111001100
31110200212010202201111111112
42203021333131032213030
52432144140232323040
635502420103511152
72235016613064500
oct243117735164714
943625122644445
1011212003011020
113632a90448a29
121310b651584b8
136343973c03c6
142aa94181a300
151469b3796365
hexa327f74e9cc

11212003011020 has 72 divisors (see below), whose sum is σ = 27495895494816. Its totient is φ = 3829157584896.

The previous prime is 11212003010959. The next prime is 11212003011047. The reversal of 11212003011020 is 2011030021211.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11212003010986 and 11212003011004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22006544 + ... + 22510263.

It is an arithmetic number, because the mean of its divisors is an integer number (381887437428).

Almost surely, 211212003011020 is an apocalyptic number.

11212003011020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212003011020 is an abundant number, since it is smaller than the sum of its proper divisors (16283892483796).

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

11212003011020 is a wasteful number, since it uses less digits than its factorization.

11212003011020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44517087 (or 44517078 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11212003011020 its reverse (2011030021211), we get a palindrome (13223033032231).

The spelling of 11212003011020 in words is "eleven trillion, two hundred twelve billion, three million, eleven thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 257 490 514 980 1028 1285 1799 2570 3598 5140 7196 8995 12593 17990 25186 35980 50372 62965 125930 251860 44516807 89033614 178067228 222584035 311617649 445168070 623235298 890336140 1246470596 1558088245 2181323543 3116176490 4362647086 6232352980 8725294172 10906617715 11440819399 21813235430 22881638798 43626470860 45763277596 57204096995 80085735793 114408193990 160171471586 228816387980 320342943172 400428678965 560600150551 800857357930 1121200301102 1601714715860 2242400602204 2803000752755 5606001505510 11212003011020