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12211011212110 = 2571101782321767
BaseRepresentation
bin1011000110110001100011…
…1111000101001101001110
31121020100202100220022122121
42301230120333011031032
53100031122332241420
641545354444403154
72400134145510514
oct261543077051516
947210670808577
1012211011212110
11398872a5416a7
1214526aab464ba
136a7655060889
1430303224c4b4
15162982deb2aa
hexb1b18fc534e

12211011212110 has 64 divisors (see below), whose sum is σ = 22513993887744. Its totient is φ = 4767102256000.

The previous prime is 12211011212069. The next prime is 12211011212117. The reversal of 12211011212110 is 1121211011221.

It is a super-2 number, since 2×122110112121102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211011212117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560976447 + ... + 560998213.

It is an arithmetic number, because the mean of its divisors is an integer number (351781154496).

Almost surely, 212211011212110 is an apocalyptic number.

12211011212110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211011212110 is a deficient number, since it is larger than the sum of its proper divisors (10302982675634).

12211011212110 is a wasteful number, since it uses less digits than its factorization.

12211011212110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29769.

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

Adding to 12211011212110 its reverse (1121211011221), we get a palindrome (13332222223331).

The spelling of 12211011212110 in words is "twelve trillion, two hundred eleven billion, eleven million, two hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 10 71 101 142 202 355 505 710 1010 7171 7823 14342 15646 21767 35855 39115 43534 71710 78230 108835 217670 555433 790123 1110866 1545457 1580246 2198467 2777165 3090914 3950615 4396934 5554330 7727285 7901230 10992335 15454570 21984670 56098733 112197466 156091157 170283241 280493665 312182314 340566482 560987330 780455785 851416205 1560911570 1702832410 12090110111 17198607341 24180220222 34397214682 60450550555 85993036705 120901101110 171986073410 1221101121211 2442202242422 6105505606055 12211011212110