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122130102200 = 23521374457303
BaseRepresentation
bin111000110111110000…
…1010111011110111000
3102200020110100000101112
41301233201113132320
54000110301232300
6132034503535452
711552332511621
oct1615741273670
9380213300345
10122130102200
1147882293467
121b80515a588
13b6945b4882
145ca81caa48
15329beb6e35
hex1c6f8577b8

122130102200 has 48 divisors (see below), whose sum is σ = 286025197680. Its totient is φ = 48495445760.

The previous prime is 122130102191. The next prime is 122130102217. The reversal of 122130102200 is 2201031221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2201252 + ... + 2256051.

It is an arithmetic number, because the mean of its divisors is an integer number (5958858285).

Almost surely, 2122130102200 is an apocalyptic number.

122130102200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122130102200 is an abundant number, since it is smaller than the sum of its proper divisors (163895095480).

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

122130102200 is a wasteful number, since it uses less digits than its factorization.

122130102200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457456 (or 4457447 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 122130102200 its reverse (2201031221), we get a palindrome (124331133421).

The spelling of 122130102200 in words is "one hundred twenty-two billion, one hundred thirty million, one hundred two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 137 200 274 548 685 1096 1370 2740 3425 5480 6850 13700 27400 4457303 8914606 17829212 22286515 35658424 44573030 89146060 111432575 178292120 222865150 445730300 610650511 891460600 1221301022 2442602044 3053252555 4885204088 6106505110 12213010220 15266262775 24426020440 30532525550 61065051100 122130102200