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12122110202222 = 219730766777163
BaseRepresentation
bin1011000001100110011000…
…0100101001000101101110
31120220212021200222002112202
42300121212010221011232
53042102040202432342
641440453123301502
72360536122422666
oct260314604510556
946825250862482
1012122110202222
113953a5a2060a9
12143941a21a892
1369c157b27707
142dc9db2a91a6
151604cd2a6332
hexb066612916e

12122110202222 has 8 divisors (see below), whose sum is σ = 18275465635416. Its totient is φ = 6030288323752.

The previous prime is 12122110202149. The next prime is 12122110202263. The reversal of 12122110202222 is 22220201122121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12122110202194 and 12122110202203.

It is a congruent 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, 15383388188 + ... + 15383388975.

It is an arithmetic number, because the mean of its divisors is an integer number (2284433204427).

Almost surely, 212122110202222 is an apocalyptic number.

12122110202222 is a deficient number, since it is larger than the sum of its proper divisors (6153355433194).

12122110202222 is a wasteful number, since it uses less digits than its factorization.

12122110202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30766777362.

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

Adding to 12122110202222 its reverse (22220201122121), we get a palindrome (34342311324343).

The spelling of 12122110202222 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, two hundred two thousand, two hundred twenty-two".

Divisors: 1 2 197 394 30766777163 61533554326 6061055101111 12122110202222