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10212020220000 = 25354389437533
BaseRepresentation
bin1001010010011010101111…
…0101100111000001100000
31100011021000020200101022010
42110212223311213001200
52314303204134020000
633415200510112520
72102536244441424
oct224465365470140
940137006611263
1010212020220000
113287991207435
12118b1a8aab740
13590cb286b7c1
1427439b7b2b84
1512a9887cdd50
hex949abd67060

10212020220000 has 240 divisors, whose sum is σ = 33583657227120. Its totient is φ = 2716198656000.

The previous prime is 10212020219981. The next prime is 10212020220011. The reversal of 10212020220000 is 2202021201.

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

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 polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 23121234 + ... + 23558766.

It is an arithmetic number, because the mean of its divisors is an integer number (139931905113).

Almost surely, 210212020220000 is an apocalyptic number.

10212020220000 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 10212020220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16791828613560).

10212020220000 is an abundant number, since it is smaller than the sum of its proper divisors (23371637007120).

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

10212020220000 is an equidigital number, since it uses as much as digits as its factorization.

10212020220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437955 (or 437932 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10212020220000 its reverse (2202021201), we get a palindrome (10214222241201).

The spelling of 10212020220000 in words is "ten trillion, two hundred twelve billion, twenty million, two hundred twenty thousand".