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1020101212000 = 255313431014517
BaseRepresentation
bin11101101100000101100…
…01010011011101100000
310121112001121101210111101
432312002301103131200
5113203131402241000
62100343353124144
7133462026143443
oct16660261233540
93545047353441
101020101212000
113636935a3aa2
121458519b9654
137526c91c820
1437531d5765a
151b806325e6a
hexed82c53760

1020101212000 has 384 divisors, whose sum is σ = 2789923264128. Its totient is φ = 364170240000.

The previous prime is 1020101211989. The next prime is 1020101212003. The reversal of 1020101212000 is 2121010201.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020101212003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 225833742 + ... + 225838258.

It is an arithmetic number, because the mean of its divisors is an integer number (7265425167).

Almost surely, 21020101212000 is an apocalyptic number.

1020101212000 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 1020101212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1394961632064).

1020101212000 is an abundant number, since it is smaller than the sum of its proper divisors (1769822052128).

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

1020101212000 is a wasteful number, since it uses less digits than its factorization.

1020101212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699 (or 4681 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1020101212000 its reverse (2121010201), we get a palindrome (1022222222201).

The spelling of 1020101212000 in words is "one trillion, twenty billion, one hundred one million, two hundred twelve thousand".