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12102010222112 = 25378187819441
BaseRepresentation
bin1011000000011011100000…
…0001010011011000100000
31120211221101220022022100222
42300012320001103120200
53041234404104101422
641423330423102212
72356225044415616
oct260067001233040
946757356268328
1012102010222112
1139464852a9598
12143554a8a1968
1369a2a3815365
142dba519d96b6
1515ec0388b842
hexb01b8053620

12102010222112 has 12 divisors (see below), whose sum is σ = 23825832624846. Its totient is φ = 6051005111040.

The previous prime is 12102010222111. The next prime is 12102010222117. The reversal of 12102010222112 is 21122201020121.

It can be written as a sum of positive squares in only one way, i.e., 7349976455056 + 4752033767056 = 2711084^2 + 2179916^2 .

It is a super-2 number, since 2×121020102221122 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102010222111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189093909689 + ... + 189093909752.

Almost surely, 212102010222112 is an apocalyptic number.

It is an amenable number.

12102010222112 is a deficient number, since it is larger than the sum of its proper divisors (11723822402734).

12102010222112 is an equidigital number, since it uses as much as digits as its factorization.

12102010222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378187819451 (or 378187819443 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12102010222112 its reverse (21122201020121), we get a palindrome (33224211242233).

The spelling of 12102010222112 in words is "twelve trillion, one hundred two billion, ten million, two hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 378187819441 756375638882 1512751277764 3025502555528 6051005111056 12102010222112