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121100210000112 = 24372315670317029
BaseRepresentation
bin11011100010001111010110…
…111111111101000011110000
3120212210001210211222220200010
4123202033112333331003300
5111333101212230000422
61105320400215254520
734336126044656010
oct3342172677750360
9525701724886603
10121100210000112
113564a346518412
12116ba04737a440
135275915880b65
1421c93d239dc40
15e00163788b0c
hex6e23d6ffd0f0

121100210000112 has 80 divisors (see below), whose sum is σ = 373078907850240. Its totient is φ = 33095709563136.

The previous prime is 121100210000057. The next prime is 121100210000123. The reversal of 121100210000112 is 211000012001121.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 7835150787 + ... + 7835166242.

It is an arithmetic number, because the mean of its divisors is an integer number (4663486348128).

Almost surely, 2121100210000112 is an apocalyptic number.

121100210000112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121100210000112 is an abundant number, since it is smaller than the sum of its proper divisors (251978697850128).

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

121100210000112 is a wasteful number, since it uses less digits than its factorization.

121100210000112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15670317070 (or 15670317064 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121100210000112 its reverse (211000012001121), we get a palindrome (332100222001233).

The spelling of 121100210000112 in words is "one hundred twenty-one trillion, one hundred billion, two hundred ten million, one hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 7 8 12 14 16 21 23 24 28 42 46 48 56 69 84 92 112 138 161 168 184 276 322 336 368 483 552 644 966 1104 1288 1932 2576 3864 7728 15670317029 31340634058 47010951087 62681268116 94021902174 109692219203 125362536232 188043804348 219384438406 250725072464 329076657609 360417291667 376087608696 438768876812 658153315218 720834583334 752175217392 877537753624 1081251875001 1316306630436 1441669166668 1755075507248 2162503750002 2522921041669 2632613260872 2883338333336 4325007500004 5045842083338 5265226521744 5766676666672 7568763125007 8650015000008 10091684166676 15137526250014 17300030000016 20183368333352 30275052500028 40366736666704 60550105000056 121100210000112