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20102002211212 = 2225188289226777
BaseRepresentation
bin1001001001000010111001…
…01100110111100110001100
32122011201210002121201100021
410210201130230313212030
510113322400031224322
6110430422103311524
74143215232351565
oct444413454674614
978151702551307
1020102002211212
116450236210049
122307a9ba4b5a4
13b2a7c286312c
144d6d2919116c
1524cd74c6d4c7
hex12485cb3798c

20102002211212 has 24 divisors (see below), whose sum is σ = 35319213049680. Its totient is φ = 10010799744000.

The previous prime is 20102002211191. The next prime is 20102002211233. The reversal of 20102002211212 is 21211220020102.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20102002211191) and next prime (20102002211233).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88528768 + ... + 88755544.

It is an arithmetic number, because the mean of its divisors is an integer number (1471633877070).

Almost surely, 220102002211212 is an apocalyptic number.

It is an amenable number.

20102002211212 is a deficient number, since it is larger than the sum of its proper divisors (15217210838468).

20102002211212 is a wasteful number, since it uses less digits than its factorization.

20102002211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315321 (or 315319 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20102002211212 its reverse (21211220020102), we get a palindrome (41313222231314).

The spelling of 20102002211212 in words is "twenty trillion, one hundred two billion, two million, two hundred eleven thousand, two hundred twelve".

Divisors: 1 2 4 251 502 1004 88289 176578 226777 353156 453554 907108 22160539 44321078 56921027 88642156 113842054 227684108 20021914553 40043829106 80087658212 5025500552803 10051001105606 20102002211212