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10212012220000 = 25541513499689
BaseRepresentation
bin1001010010011010101101…
…0111000101111001100000
31100011020222200121221100211
42110212223113011321200
52314303200112020000
633415200022423504
72102536116442003
oct224465327057140
940136880557324
1010212012220000
113287987742968
12118b1a6291b94
13590cb0cca386
1427439a6cd53a
1512a987c4d7ba
hex949ab5c5e60

10212012220000 has 240 divisors, whose sum is σ = 25364540124000. Its totient is φ = 4045708800000.

The previous prime is 10212012219991. The next prime is 10212012220001. The reversal of 10212012220000 is 2221021201.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212012220001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1053975156 + ... + 1053984844.

It is an arithmetic number, because the mean of its divisors is an integer number (105685583850).

Almost surely, 210212012220000 is an apocalyptic number.

10212012220000 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 10212012220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12682270062000).

10212012220000 is an abundant number, since it is smaller than the sum of its proper divisors (15152527904000).

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

10212012220000 is an equidigital number, since it uses as much as digits as its factorization.

10212012220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10219 (or 10196 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10212012220000 its reverse (2221021201), we get a palindrome (10214233241201).

The spelling of 10212012220000 in words is "ten trillion, two hundred twelve billion, twelve million, two hundred twenty thousand".