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12101201110212 = 2231008433425851
BaseRepresentation
bin1011000000011000011111…
…0010110010010011000100
31120211212022111211011111120
42300012013302302103010
53041231224441011322
641423114241033540
72356166021162034
oct260060762622304
946755274734446
1012101201110212
1139460aa604875
1214353639258b0
1369a1a4cc1c16
142db9b637b8c4
1515eba7814a5c
hexb0187cb24c4

12101201110212 has 12 divisors (see below), whose sum is σ = 28236135923856. Its totient is φ = 4033733703400.

The previous prime is 12101201110183. The next prime is 12101201110249. The reversal of 12101201110212 is 21201110210121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×121012011102122 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12101201110191 and 12101201110200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504216712914 + ... + 504216712937.

It is an arithmetic number, because the mean of its divisors is an integer number (2353011326988).

Almost surely, 212101201110212 is an apocalyptic number.

12101201110212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12101201110212 is an abundant number, since it is smaller than the sum of its proper divisors (16134934813644).

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

12101201110212 is a wasteful number, since it uses less digits than its factorization.

12101201110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008433425858 (or 1008433425856 counting only the distinct ones).

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

Adding to 12101201110212 its reverse (21201110210121), we get a palindrome (33302311320333).

Subtracting 12101201110212 from its reverse (21201110210121), we obtain a palindrome (9099909099909).

The spelling of 12101201110212 in words is "twelve trillion, one hundred one billion, two hundred one million, one hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 1008433425851 2016866851702 3025300277553 4033733703404 6050600555106 12101201110212