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112212212012112 = 2435775497973693
BaseRepresentation
bin11001100000111001110001…
…000010010101010001010000
3112201022101022222201210212110
4121200321301002111101100
5104201441102233341422
61034353324544425320
732431031135412522
oct3140716102252120
9481271288653773
10112212212012112
1132832a28350673
121070358a918240
134a7c748bbb164
141d9d15871ba12
15ce8d6cd1360c
hex660e71095450

112212212012112 has 80 divisors (see below), whose sum is σ = 290393164312640. Its totient is φ = 37338059759616.

The previous prime is 112212212012083. The next prime is 112212212012119. The reversal of 112212212012112 is 211210212212211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212212012119) 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, 1522661538 + ... + 1522735230.

It is an arithmetic number, because the mean of its divisors is an integer number (3629914553908).

Almost surely, 2112212212012112 is an apocalyptic number.

112212212012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

112212212012112 is an abundant number, since it is smaller than the sum of its proper divisors (178180952300528).

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

112212212012112 is a wasteful number, since it uses less digits than its factorization.

112212212012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129260 (or 129254 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 112212212012112 its reverse (211210212212211), we get a palindrome (323422424224323).

The spelling of 112212212012112 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred twelve million, twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 577 1154 1731 2308 3462 4616 6924 9232 13848 27696 54979 73693 109958 147386 164937 219916 221079 294772 329874 439832 442158 589544 659748 879664 884316 1179088 1319496 1768632 2638992 3537264 31722883 42520861 63445766 85041722 95168649 126891532 127562583 170083444 190337298 253783064 255125166 340166888 380674596 507566128 510250332 680333776 761349192 1020500664 1522698384 2041001328 4051567447 8103134894 12154702341 16206269788 24309404682 32412539576 48618809364 64825079152 97237618728 194475237456 2337754416919 4675508833838 7013263250757 9351017667676 14026526501514 18702035335352 28053053003028 37404070670704 56106106006056 112212212012112