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2002021101212 = 221197719365213
BaseRepresentation
bin11101001000100001110…
…000011010111010011100
321002101120021220102121112
4131020201300122322130
5230300114400214322
64131414340121152
7264432643403306
oct35104160327234
97071507812545
102002021101212
117020637a0070
122840089961b8
13116a361b9152
146cc8107c976
153712565c5e2
hex1d221c1ae9c

2002021101212 has 48 divisors (see below), whose sum is σ = 3862038815712. Its totient is φ = 900489031680.

The previous prime is 2002021101139. The next prime is 2002021101263. The reversal of 2002021101212 is 2121011202002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30667118 + ... + 30732330.

It is an arithmetic number, because the mean of its divisors is an integer number (80459141994).

Almost surely, 22002021101212 is an apocalyptic number.

2002021101212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2002021101212 is a deficient number, since it is larger than the sum of its proper divisors (1860017714500).

2002021101212 is a wasteful number, since it uses less digits than its factorization.

2002021101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72518 (or 72516 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2002021101212 its reverse (2121011202002), we get a palindrome (4123032303214).

The spelling of 2002021101212 in words is "two trillion, two billion, twenty-one million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 11 22 44 97 194 388 1067 2134 4268 7193 14386 28772 65213 79123 130426 158246 260852 316492 697721 717343 1395442 1434686 2790884 2869372 6325661 7674931 12651322 15349862 25302644 30699724 69582271 139164542 278329084 469077109 938154218 1876308436 5159848199 10319696398 20639392796 45500479573 91000959146 182001918292 500505275303 1001010550606 2002021101212