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211212101212002 = 232111066727783899
BaseRepresentation
bin110000000001100010100110…
…010000111101011101100010
31000200211200100111010200111100
4300001202212100331131202
5210140444340402241002
62025113255542055230
762326366523202462
oct6001424620753542
91020750314120440
10211212101212002
1161331604934110
121b8323a141a516
1390b12a5b12c77
143a22a124c3ba2
1519641a128211c
hexc018a643d762

211212101212002 has 24 divisors (see below), whose sum is σ = 499228602865200. Its totient is φ = 64003667033880.

The previous prime is 211212101211953. The next prime is 211212101212033. The reversal of 211212101212002 is 200212101212112.

211212101212002 is a `hidden beast` number, since 211 + 21 + 210 + 1 + 21 + 200 + 2 = 666.

It is a super-2 number, since 2×2112121012120022 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 533363891752 + ... + 533363892147.

It is an arithmetic number, because the mean of its divisors is an integer number (20801191786050).

Almost surely, 2211212101212002 is an apocalyptic number.

211212101212002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

211212101212002 is an abundant number, since it is smaller than the sum of its proper divisors (288016501653198).

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

211212101212002 is a wasteful number, since it uses less digits than its factorization.

211212101212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066727783918 (or 1066727783915 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211212101212002 its reverse (200212101212112), we get a palindrome (411424202424114).

The spelling of 211212101212002 in words is "two hundred eleven trillion, two hundred twelve billion, one hundred one million, two hundred twelve thousand, two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 1066727783899 2133455567798 3200183351697 6400366703394 9600550055091 11734005622889 19201100110182 23468011245778 35202016868667 70404033737334 105606050606001 211212101212002