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212112203102300 = 225223109846079789
BaseRepresentation
bin110000001110101000111000…
…100001001011100001011100
31000211000201200010122022221102
4300032220320201023201130
5210300221242443233200
62031043000105252232
762451413062060334
oct6016507041134134
91024021603568842
10212112203102300
1161649309996666
121b958923794078
139148130725097
143a543dd2300c4
15197c7d26d86d5
hexc0ea3884b85c

212112203102300 has 72 divisors (see below), whose sum is σ = 484702190095200. Its totient is φ = 80411423051520.

The previous prime is 212112203102299. The next prime is 212112203102347. The reversal of 212112203102300 is 3201302211212.

It is a super-2 number, since 2×2121122031023002 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422789195 + ... + 423290594.

Almost surely, 2212112203102300 is an apocalyptic number.

212112203102300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212112203102300 is an abundant number, since it is smaller than the sum of its proper divisors (272589986992900).

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

212112203102300 is a wasteful number, since it uses less digits than its factorization.

212112203102300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846079935 (or 846079928 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212112203102300 its reverse (3201302211212), we get a palindrome (215313505313512).

The spelling of 212112203102300 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred three million, one hundred two thousand, three hundred".

Divisors: 1 2 4 5 10 20 23 25 46 50 92 100 109 115 218 230 436 460 545 575 1090 1150 2180 2300 2507 2725 5014 5450 10028 10900 12535 25070 50140 62675 125350 250700 846079789 1692159578 3384319156 4230398945 8460797890 16921595780 19459835147 21151994725 38919670294 42303989450 77839340588 84607978900 92222697001 97299175735 184445394002 194598351470 368890788004 389196702940 461113485005 486495878675 922226970010 972991757350 1844453940020 1945983514700 2121122031023 2305567425025 4242244062046 4611134850050 8484488124092 9222269700100 10605610155115 21211220310230 42422440620460 53028050775575 106056101551150 212112203102300