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12104121200 = 245230260303
BaseRepresentation
bin10110100010111011…
…00011101101110000
31011020120001001210012
423101131203231300
5144242123334300
65321025154052
7605644222043
oct132135435560
934216031705
1012104121200
115151508456
12241978b928
1311ab8bc0c2
1482b7a2c5a
154ac98b435
hex2d1763b70

12104121200 has 30 divisors (see below), whose sum is σ = 29080152144. Its totient is φ = 4841648320.

The previous prime is 12104121199. The next prime is 12104121257. The reversal of 12104121200 is 212140121.

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 5 ways as a sum of consecutive naturals, for example, 15129752 + ... + 15130551.

Almost surely, 212104121200 is an apocalyptic number.

12104121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12104121200 is an abundant number, since it is smaller than the sum of its proper divisors (16976030944).

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

12104121200 is a wasteful number, since it uses less digits than its factorization.

12104121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30260321 (or 30260310 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12104121200 its reverse (212140121), we get a palindrome (12316261321).

It can be divided in two parts, 121041 and 21200, that added together give a palindrome (142241).

The spelling of 12104121200 in words is "twelve billion, one hundred four million, one hundred twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 30260303 60520606 121041212 151301515 242082424 302603030 484164848 605206060 756507575 1210412120 1513015150 2420824240 3026030300 6052060600 12104121200