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12122100210 = 2351137992801
BaseRepresentation
bin10110100101000100…
…01001000111110010
31011021210212111100110
423102202021013302
5144311224201320
65322510402150
7606253103013
oct132242110762
934253774313
1012122100210
115160678340
122423800356
1311b254567c
1482dd2300a
154ae33d5e0
hex2d28891f2

12122100210 has 64 divisors (see below), whose sum is σ = 32595675264. Its totient is φ = 2859264000.

The previous prime is 12122100203. The next prime is 12122100217. The reversal of 12122100210 is 1200122121.

It is an interprime number because it is at equal distance from previous prime (12122100203) and next prime (12122100217).

It is not an unprimeable number, because it can be changed into a prime (12122100217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484191 + ... + 508610.

It is an arithmetic number, because the mean of its divisors is an integer number (509307426).

Almost surely, 212122100210 is an apocalyptic number.

12122100210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122100210 is an abundant number, since it is smaller than the sum of its proper divisors (20473575054).

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

12122100210 is a wasteful number, since it uses less digits than its factorization.

12122100210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992859.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12122100210 its reverse (1200122121), we get a palindrome (13322222331).

The spelling of 12122100210 in words is "twelve billion, one hundred twenty-two million, one hundred thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 37 55 66 74 110 111 165 185 222 330 370 407 555 814 1110 1221 2035 2442 4070 6105 12210 992801 1985602 2978403 4964005 5956806 9928010 10920811 14892015 21841622 29784030 32762433 36733637 54604055 65524866 73467274 109208110 110200911 163812165 183668185 220401822 327624330 367336370 404070007 551004555 808140014 1102009110 1212210021 2020350035 2424420042 4040700070 6061050105 12122100210