| Base | Representation |
|---|---|
| bin | 1100011001011111101… |
| … | …0001001101100111100 |
| 3 | 202100210110211210002212 |
| 4 | 3012113322021230330 |
| 5 | 11442212003014322 |
| 6 | 241503552035552 |
| 7 | 21250250065040 |
| oct | 3062772115474 |
| 9 | 670713753085 |
| 10 | 213002001212 |
| 11 | 82374093150 |
| 12 | 35345b32bb8 |
| 13 | 17116c41a10 |
| 14 | a448c0c020 |
| 15 | 5819b6e0e2 |
| hex | 3197e89b3c |
213002001212 has 96 divisors (see below), whose sum is σ = 500624140800. Its totient is φ = 76582091520.
The previous prime is 213002001203. The next prime is 213002001229. The reversal of 213002001212 is 212100200312.
It is a happy number.
213002001212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×2130020012123 (a number of 35 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21404414 + ... + 21414362.
It is an arithmetic number, because the mean of its divisors is an integer number (5214834800).
Almost surely, 2213002001212 is an apocalyptic number.
213002001212 is a gapful number since it is divisible by the number (22) 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 213002001212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250312070400).
213002001212 is an abundant number, since it is smaller than the sum of its proper divisors (287622139588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213002001212 is a wasteful number, since it uses less digits than its factorization.
213002001212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15331 (or 15329 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 213002001212 its reverse (212100200312), we get a palindrome (425102201524).
Subtracting from 213002001212 its reverse (212100200312), we obtain a square (901800900 = 300302).
The spelling of 213002001212 in words is "two hundred thirteen billion, two million, one thousand, two hundred twelve".
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