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10020210121200 = 24352791011046519
BaseRepresentation
bin1001000111010000001100…
…0100001001100111110000
31022110220220200010210011210
42101310003010021213300
52303132342242334300
633151115422040120
72052636101501406
oct221640304114760
938426820123153
1010020210121200
113213602429224
121159b98119040
13578b95222216
14268da32ad476
151259ae367050
hex91d031099f0

10020210121200 has 240 divisors, whose sum is σ = 32826234700800. Its totient is φ = 2612108928000.

The previous prime is 10020210121177. The next prime is 10020210121217. The reversal of 10020210121200 is 212101202001.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×100202101212002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9051541 + ... + 10098059.

It is an arithmetic number, because the mean of its divisors is an integer number (136775977920).

Almost surely, 210020210121200 is an apocalyptic number.

10020210121200 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 10020210121200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16413117350400).

10020210121200 is an abundant number, since it is smaller than the sum of its proper divisors (22806024579600).

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

10020210121200 is a wasteful number, since it uses less digits than its factorization.

10020210121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046720 (or 1046709 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10020210121200 its reverse (212101202001), we get a palindrome (10232311323201).

The spelling of 10020210121200 in words is "ten trillion, twenty billion, two hundred ten million, one hundred twenty-one thousand, two hundred".