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12021112102110 = 235616568913717
BaseRepresentation
bin1010111011101110001000…
…0111011101110011011110
31120120012120222020000100020
42232323202013131303132
53033423214144231420
641322231143413010
72350332235635426
oct256734207356336
946505528200306
1012021112102110
113915141434681
121421932154166
136927805c47b7
142d7b79873486
1515ca6b613340
hexaeee21ddcde

12021112102110 has 32 divisors (see below), whose sum is σ = 29323630837152. Its totient is φ = 3153078583680.

The previous prime is 12021112102093. The next prime is 12021112102121. The reversal of 12021112102110 is 1120121112021.

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 12021112102110.

It is a congruent number.

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, 3284455029 + ... + 3284458688.

It is an arithmetic number, because the mean of its divisors is an integer number (916363463661).

Almost surely, 212021112102110 is an apocalyptic number.

12021112102110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021112102110 is an abundant number, since it is smaller than the sum of its proper divisors (17302518735042).

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

12021112102110 is a wasteful number, since it uses less digits than its factorization.

12021112102110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6568913788.

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

Adding to 12021112102110 its reverse (1120121112021), we get a palindrome (13141233214131).

The spelling of 12021112102110 in words is "twelve trillion, twenty-one billion, one hundred twelve million, one hundred two thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 61 122 183 305 366 610 915 1830 6568913717 13137827434 19706741151 32844568585 39413482302 65689137170 98533705755 197067411510 400703736737 801407473474 1202111210211 2003518683685 2404222420422 4007037367370 6010556051055 12021112102110