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10212012210000 = 243543734726513
BaseRepresentation
bin1001010010011010101101…
…0111000011011101010000
31100011020222200121102122110
42110212223113003131100
52314303200111210000
633415200022305320
72102536116400566
oct224465327033520
940136880542573
1010212012210000
1132879877363a7
12118b1a6288240
13590cb0cc5963
1427439a6c9a36
1512a987c4a850
hex949ab5c3750

10212012210000 has 400 divisors, whose sum is σ = 33955553294784. Its totient is φ = 2641867776000.

The previous prime is 10212012209989. The next prime is 10212012210007. The reversal of 10212012210000 is 1221021201.

It is a tau number, because it is divible by the number of its divisors (400).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212012210007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 385156744 + ... + 385183256.

Almost surely, 210212012210000 is an apocalyptic number.

10212012210000 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 10212012210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16977776647392).

10212012210000 is an abundant number, since it is smaller than the sum of its proper divisors (23743541084784).

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

10212012210000 is a wasteful number, since it uses less digits than its factorization.

10212012210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26928 (or 26907 counting only the distinct ones).

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

Adding to 10212012210000 its reverse (1221021201), we get a palindrome (10213233231201).

The spelling of 10212012210000 in words is "ten trillion, two hundred twelve billion, twelve million, two hundred ten thousand".