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212212020120122 = 21117567411818503
BaseRepresentation
bin110000010000000101110110…
…000100111000101000111010
31000211101021022112222012211102
4300100011312010320220322
5210303340204122320442
62031200504534331402
762461545454530161
oct6020056604705072
91024337275865742
10212212020120122
1161687681002520
121b9741401b9b62
13915467a358439
143a5918bc5c3d8
1519801c582b232
hexc10176138a3a

212212020120122 has 16 divisors (see below), whose sum is σ = 367682858390592. Its totient is φ = 90785890960320.

The previous prime is 212212020120053. The next prime is 212212020120131. The reversal of 212212020120122 is 221021020212212.

It is a junction number, because it is equal to n+sod(n) for n = 212212020120094 and 212212020120103.

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 7 ways as a sum of consecutive naturals, for example, 283705908878 + ... + 283705909625.

It is an arithmetic number, because the mean of its divisors is an integer number (22980178649412).

Almost surely, 2212212020120122 is an apocalyptic number.

212212020120122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212212020120122 is a deficient number, since it is larger than the sum of its proper divisors (155470838270470).

212212020120122 is a wasteful number, since it uses less digits than its factorization.

212212020120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567411818533.

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

Adding to 212212020120122 its reverse (221021020212212), we get a palindrome (433233040332334).

The spelling of 212212020120122 in words is "two hundred twelve trillion, two hundred twelve billion, twenty million, one hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 11 17 22 34 187 374 567411818503 1134823637006 6241530003533 9646000914551 12483060007066 19292001829102 106106010060061 212212020120122