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12131101010222 = 2192511618378593
BaseRepresentation
bin1011000010000111110111…
…1101110110100100101110
31120221201111021202110111122
42300201331331312210232
53042223443324311342
641444541215420542
72361304664141135
oct260417575664456
946851437673448
1012131101010222
113957853299237
12143b109224752
1369cc5b709b4c
142dd2113aa91c
151608577694d2
hexb087df7692e

12131101010222 has 32 divisors (see below), whose sum is σ = 19232115275520. Its totient is φ = 5722990848000.

The previous prime is 12131101010221. The next prime is 12131101010263. The reversal of 12131101010222 is 22201010113121.

It is a happy number.

It is a super-2 number, since 2×121311010102222 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12131101010222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131101010221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154314158 + ... + 154392750.

It is an arithmetic number, because the mean of its divisors is an integer number (601003602360).

Almost surely, 212131101010222 is an apocalyptic number.

12131101010222 is a deficient number, since it is larger than the sum of its proper divisors (7101014265298).

12131101010222 is a wasteful number, since it uses less digits than its factorization.

12131101010222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95048.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12131101010222 its reverse (22201010113121), we get a palindrome (34332111123343).

The spelling of 12131101010222 in words is "twelve trillion, one hundred thirty-one billion, one hundred one million, ten thousand, two hundred twenty-two".

Divisors: 1 2 19 38 251 502 4769 9538 16183 32366 78593 157186 307477 614954 1493267 2986534 4061933 8123866 19726843 39453686 77176727 154353454 374810017 749620034 1271870519 2543741038 24165539861 48331079722 319239500269 638479000538 6065550505111 12131101010222