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10212120201000 = 23353171011982551
BaseRepresentation
bin1001010010011011000111…
…0011000000011100101000
31100011021021012210221110010
42110212301303000130220
52314303410232413000
633415214441051520
72102541600324264
oct224466163003450
940137235727403
1010212120201000
113287a32695663
12118b216486ba0
13590cca4a6763
142743aab9b0a4
1512a99247cd50
hex949b1cc0728

10212120201000 has 256 divisors, whose sum is σ = 34070076817920. Its totient is φ = 2537664000000.

The previous prime is 10212120200987. The next prime is 10212120201061. The reversal of 10212120201000 is 10202121201.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4159725 + ... + 6142275.

It is an arithmetic number, because the mean of its divisors is an integer number (133086237570).

Almost surely, 210212120201000 is an apocalyptic number.

10212120201000 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 10212120201000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17035038408960).

10212120201000 is an abundant number, since it is smaller than the sum of its proper divisors (23857956616920).

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

10212120201000 is a wasteful number, since it uses less digits than its factorization.

10212120201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982693 (or 1982679 counting only the distinct ones).

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

Adding to 10212120201000 its reverse (10202121201), we get a palindrome (10222322322201).

The spelling of 10212120201000 in words is "ten trillion, two hundred twelve billion, one hundred twenty million, two hundred one thousand".