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121300032013200 = 243252373478633041
BaseRepresentation
bin11011100101001001011101…
…010100011100001110010000
3120220111011120210100221000200
4123211021131110130032100
5111344334431143410300
61105552244310415200
734356431605030515
oct3345113524341620
9526434523327020
10121300032013200
1135717066871397
1211730913361500
13528b70c052521
1421d4d4a98d30c
15e0545b2a1200
hex6e525d51c390

121300032013200 has 720 divisors, whose sum is σ = 434212711036416. Its totient is φ = 31335070924800.

The previous prime is 121300032013151. The next prime is 121300032013213. The reversal of 121300032013200 is 2310230003121.

121300032013200 is a `hidden beast` number, since 1 + 2 + 130 + 0 + 0 + 320 + 13 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 39888203680 + ... + 39888206720.

Almost surely, 2121300032013200 is an apocalyptic number.

121300032013200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121300032013200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217106355518208).

121300032013200 is an abundant number, since it is smaller than the sum of its proper divisors (312912679023216).

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

121300032013200 is a wasteful number, since it uses less digits than its factorization.

121300032013200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4312 (or 4298 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121300032013200 its reverse (2310230003121), we get a palindrome (123610262016321).

The spelling of 121300032013200 in words is "one hundred twenty-one trillion, three hundred billion, thirty-two million, thirteen thousand, two hundred".