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2122012202210 = 25212201220221
BaseRepresentation
bin11110111000010001110…
…010001001010011100010
321111212021200022220222022
4132320101302021103202
5234231340110432320
64302501113541442
7306211304053145
oct36702162112342
97455250286868
102122012202210
11748a3862723a
122a3315714882
131251495a8b24
14749c514a05c
153a2e9956325
hex1ee11c894e2

2122012202210 has 8 divisors (see below), whose sum is σ = 3819621963996. Its totient is φ = 848804880880.

The previous prime is 2122012202209. The next prime is 2122012202279. The reversal of 2122012202210 is 122022102212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2121937015969 + 75186241 = 1456687^2 + 8671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×21220122022103 (a number of 38 digits) contains 333 as substring.

It is a Curzon 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 3 ways as a sum of consecutive naturals, for example, 106100610101 + ... + 106100610120.

Almost surely, 22122012202210 is an apocalyptic number.

2122012202210 is a deficient number, since it is larger than the sum of its proper divisors (1697609761786).

2122012202210 is a wasteful number, since it uses less digits than its factorization.

2122012202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212201220228.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2122012202210 its reverse (122022102212), we get a palindrome (2244034304422).

The spelling of 2122012202210 in words is "two trillion, one hundred twenty-two billion, twelve million, two hundred two thousand, two hundred ten".

Divisors: 1 2 5 10 212201220221 424402440442 1061006101105 2122012202210