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121201132300 = 22521212011323
BaseRepresentation
bin111000011100000100…
…1101000001100001100
3102120211201022110020221
41300320021220030030
53441204442213200
6131402400521124
711520322424563
oct1607011501414
9376751273227
10121201132300
1147445974646
121b5a60201a4
13b576cb7041
145c1aa8cbda
15324566691a
hex1c3826830c

121201132300 has 18 divisors (see below), whose sum is σ = 263006457308. Its totient is φ = 48480452880.

The previous prime is 121201132291. The next prime is 121201132309. The reversal of 121201132300 is 3231102121.

It is an interprime number because it is at equal distance from previous prime (121201132291) and next prime (121201132309).

It is not an unprimeable number, because it can be changed into a prime (121201132309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606005562 + ... + 606005761.

Almost surely, 2121201132300 is an apocalyptic number.

121201132300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121201132300 is an abundant number, since it is smaller than the sum of its proper divisors (141805325008).

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

121201132300 is a wasteful number, since it uses less digits than its factorization.

121201132300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212011337 (or 1212011330 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121201132300 its reverse (3231102121), we get a palindrome (124432234421).

The spelling of 121201132300 in words is "one hundred twenty-one billion, two hundred one million, one hundred thirty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1212011323 2424022646 4848045292 6060056615 12120113230 24240226460 30300283075 60600566150 121201132300