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12122110110210 = 2351066193789853
BaseRepresentation
bin1011000001100110011000…
…0100010010101000000010
31120220212021200210102022220
42300121212010102220002
53042102040142011320
641440453121311510
72360536121560512
oct260314604225002
946825250712286
1012122110110210
113953a5a152a61
12143941a195596
1369c157ac4879
142dc9db283842
151604cd288e40
hexb0666112a02

12122110110210 has 32 divisors (see below), whose sum is σ = 29093344810560. Its totient is φ = 3232531524288.

The previous prime is 12122110110197. The next prime is 12122110110269. The reversal of 12122110110210 is 1201101122121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12122110110210.

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, 1303644 + ... + 5093496.

It is an arithmetic number, because the mean of its divisors is an integer number (909167025330).

Almost surely, 212122110110210 is an apocalyptic number.

12122110110210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122110110210 is an abundant number, since it is smaller than the sum of its proper divisors (16971234700350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12122110110210 is a wasteful number, since it uses less digits than its factorization.

12122110110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896482.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12122110110210 its reverse (1201101122121), we get a palindrome (13323211232331).

The spelling of 12122110110210 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, one hundred ten thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 106619 213238 319857 533095 639714 1066190 1599285 3198570 3789853 7579706 11369559 18949265 22739118 37898530 56847795 113695590 404070337007 808140674014 1212211011021 2020351685035 2424422022042 4040703370070 6061055055105 12122110110210