| Base | Representation |
|---|---|
| bin | 101101111101001110111100… |
| … | …000111101000100000100000 |
| 3 | 222111122111002212020022112110 |
| 4 | 231331032330013220200200 |
| 5 | 202443013301124200000 |
| 6 | 1553512353432355320 |
| 7 | 60400455365661504 |
| oct | 5575167407504040 |
| 9 | 874574085208473 |
| 10 | 202120022100000 |
| 11 | 59446690243314 |
| 12 | 1a80426a545b40 |
| 13 | 88a1ab4477824 |
| 14 | 37ca938730304 |
| 15 | 1857913e3a850 |
| hex | b7d3bc1e8820 |
202120022100000 has 576 divisors, whose sum is σ = 716934669494400. Its totient is φ = 49681797120000.
The previous prime is 202120022099999. The next prime is 202120022100001. The reversal of 202120022100000 is 1220021202.
It is an interprime number because it is at equal distance from previous prime (202120022099999) and next prime (202120022100001).
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (202120022100001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 210420816 + ... + 211379184.
It is an arithmetic number, because the mean of its divisors is an integer number (1244678245650).
Almost surely, 2202120022100000 is an apocalyptic number.
202120022100000 is a gapful number since it is divisible by the number (20) 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 202120022100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358467334747200).
202120022100000 is an abundant number, since it is smaller than the sum of its proper divisors (514814647394400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202120022100000 is an equidigital number, since it uses as much as digits as its factorization.
202120022100000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 958463 (or 958435 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
Adding to 202120022100000 its reverse (1220021202), we get a palindrome (202121242121202).
The spelling of 202120022100000 in words is "two hundred two trillion, one hundred twenty billion, twenty-two million, one hundred thousand".
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