| Base | Representation |
|---|---|
| bin | 1011000110111010001101… |
| … | …1000000011001011011100 |
| 3 | 1121020120202011210001000000 |
| 4 | 2301232203120003023130 |
| 5 | 3100100401222410322 |
| 6 | 41550421104534300 |
| 7 | 2400245530502112 |
| oct | 261564330031334 |
| 9 | 47216664701000 |
| 10 | 12213333013212 |
| 11 | 39897110a3191 |
| 12 | 1453038621390 |
| 13 | 6a7935099b96 |
| 14 | 3031b2753ab2 |
| 15 | 162a6bb773ac |
| hex | b1ba36032dc |
12213333013212 has 168 divisors, whose sum is σ = 32553532947600. Its totient is φ = 4006660889088.
The previous prime is 12213333013177. The next prime is 12213333013213. The reversal of 12213333013212 is 21231033331221.
12213333013212 is a `hidden beast` number, since 1 + 2 + 2 + 1 + 3 + 3 + 330 + 1 + 321 + 2 = 666.
It is a super-2 number, since 2×122133330132122 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12213333013213) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 216639364 + ... + 216695732.
It is an arithmetic number, because the mean of its divisors is an integer number (193771029450).
Almost surely, 212213333013212 is an apocalyptic number.
12213333013212 is a gapful number since it is divisible by the number (12) 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 12213333013212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16276766473800).
12213333013212 is an abundant number, since it is smaller than the sum of its proper divisors (20340199934388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12213333013212 is a wasteful number, since it uses less digits than its factorization.
12213333013212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57567 (or 57550 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 27.
Adding to 12213333013212 its reverse (21231033331221), we get a palindrome (33444366344433).
The spelling of 12213333013212 in words is "twelve trillion, two hundred thirteen billion, three hundred thirty-three million, thirteen thousand, two hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •