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212020221120122 = 21076795171458019
BaseRepresentation
bin110000001101010011001101…
…111101110000111001111010
31000210200221020202022111101202
4300031103031331300321322
5210242214403101320442
62030532424524214202
762441645505114152
oct6015231575607172
91023627222274352
10212020221120122
11616132a8514a78
121b942b3309a362
13913c5620c68ac
143a4db95007762
15197a1ec357c32
hexc0d4cdf70e7a

212020221120122 has 16 divisors (see below), whose sum is σ = 321003270332640. Its totient is φ = 105019135284528.

The previous prime is 212020221120119. The next prime is 212020221120131. The reversal of 212020221120122 is 221021122020212.

It is a junction number, because it is equal to n+sod(n) for n = 212020221120094 and 212020221120103.

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, 144687629 + ... + 146145647.

It is an arithmetic number, because the mean of its divisors is an integer number (20062704395790).

Almost surely, 2212020221120122 is an apocalyptic number.

212020221120122 is a deficient number, since it is larger than the sum of its proper divisors (108983049212518).

212020221120122 is a wasteful number, since it uses less digits than its factorization.

212020221120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137645.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212020221120122 its reverse (221021122020212), we get a palindrome (433041343140334).

The spelling of 212020221120122 in words is "two hundred twelve trillion, twenty billion, two hundred twenty-one million, one hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 107 214 679517 1359034 1458019 2916038 72708319 145416638 156008033 312016066 990748696823 1981497393646 106010110560061 212020221120122