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212112010111100 = 225211221183080181
BaseRepresentation
bin110000001110101000101101…
…000000111110100001111100
31000211000201011200111100210012
4300032220231000332201330
5210300220344042023400
62031042525013002352
762451405226503641
oct6016505500764174
91024021150440705
10212112010111100
116164921aa60500
121b95888b0233b8
1391480cc752cc8
143a543c1753dc8
15197c7c07b5d35
hexc0ea2d03e87c

212112010111100 has 108 divisors (see below), whose sum is σ = 508328752132824. Its totient is φ = 76766086320000.

The previous prime is 212112010111097. The next prime is 212112010111139. The reversal of 212112010111100 is 1111010211212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 38986991 + ... + 44093190.

Almost surely, 2212112010111100 is an apocalyptic number.

212112010111100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212112010111100 is an abundant number, since it is smaller than the sum of its proper divisors (296216742021724).

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

212112010111100 is a wasteful number, since it uses less digits than its factorization.

212112010111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83080428 (or 83080410 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 212112010111100 its reverse (1111010211212), we get a palindrome (213223020322312).

The spelling of 212112010111100 in words is "two hundred twelve trillion, one hundred twelve billion, ten million, one hundred eleven thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 121 211 220 242 275 422 484 550 605 844 1055 1100 1210 2110 2321 2420 3025 4220 4642 5275 6050 9284 10550 11605 12100 21100 23210 25531 46420 51062 58025 102124 116050 127655 232100 255310 510620 638275 1276550 2553100 83080181 166160362 332320724 415400905 830801810 913881991 1661603620 1827763982 2077004525 3655527964 4154009050 4569409955 8308018100 9138819910 10052701901 17529918191 18277639820 20105403802 22847049775 35059836382 40210807604 45694099550 50263509505 70119672764 87649590955 91388199100 100527019010 175299181910 192829100101 201054038020 251317547525 350598363820 385658200202 438247954775 502635095050 771316400404 876495909550 964145500505 1005270190100 1752991819100 1928291001010 2121120101111 3856582002020 4242240202222 4820727502525 8484480404444 9641455005050 10605600505555 19282910010100 21211201011110 42422402022220 53028002527775 106056005055550 212112010111100