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2122010222212 = 2231113365941389
BaseRepresentation
bin11110111000010001101…
…010100101111010000100
321111212021112121022221001
4132320101222211322010
5234231334104102322
64302501003303044
7306211251165436
oct36702152457204
97455245538831
102122010222212
11748a374a4681
122a3314b1aa84
1312514906482a
14749c4b92656
153a2e96b4827
hex1ee11aa5e84

2122010222212 has 48 divisors (see below), whose sum is σ = 3868382246400. Its totient is φ = 1017389882880.

The previous prime is 2122010222201. The next prime is 2122010222239. The reversal of 2122010222212 is 2122220102212.

It is a self number, because there is not a number n which added to its sum of digits gives 2122010222212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51249214 + ... + 51290602.

It is an arithmetic number, because the mean of its divisors is an integer number (80591296800).

Almost surely, 22122010222212 is an apocalyptic number.

It is an amenable number.

2122010222212 is a deficient number, since it is larger than the sum of its proper divisors (1746372024188).

2122010222212 is a wasteful number, since it uses less digits than its factorization.

2122010222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45196 (or 45194 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2122010222212 its reverse (2122220102212), we get a palindrome (4244230324424).

The spelling of 2122010222212 in words is "two trillion, one hundred twenty-two billion, ten million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 31 62 113 124 226 452 3503 3659 7006 7318 14012 14636 41389 82778 113429 165556 226858 413467 453716 826934 1283059 1653868 2566118 4676957 5132236 9353914 12817477 18707828 25634954 51269908 144985667 151442351 289971334 302884702 579942668 605769404 4694712881 9389425762 17112985663 18778851524 34225971326 68451942652 530502555553 1061005111106 2122010222212