| Base | Representation |
|---|---|
| bin | 1011000110010000011100… |
| … | …0110011101011111010100 |
| 3 | 1121012111210210211000222100 |
| 4 | 2301210013012131133110 |
| 5 | 3044404421013101400 |
| 6 | 41541324353202100 |
| 7 | 2366400640032345 |
| oct | 261440706353724 |
| 9 | 47174723730870 |
| 10 | 12202121222100 |
| 11 | 3984988359617 |
| 12 | 1450a29860330 |
| 13 | 6a686931a364 |
| 14 | 30282b6b20cc |
| 15 | 162612700100 |
| hex | b190719d7d4 |
12202121222100 has 216 divisors, whose sum is σ = 38716668349632. Its totient is φ = 3213948672000.
The previous prime is 12202121222077. The next prime is 12202121222101. The reversal of 12202121222100 is 122212120221.
It is a happy number.
12202121222100 is a `hidden beast` number, since 1 + 220 + 2 + 121 + 222 + 100 = 666.
12202121222100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12202121222101) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 369823204 + ... + 369856196.
It is an arithmetic number, because the mean of its divisors is an integer number (179243834952).
Almost surely, 212202121222100 is an apocalyptic number.
12202121222100 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 12202121222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19358334174816).
12202121222100 is an abundant number, since it is smaller than the sum of its proper divisors (26514547127532).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12202121222100 is a wasteful number, since it uses less digits than its factorization.
12202121222100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38047 (or 38037 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
Adding to 12202121222100 its reverse (122212120221), we get a palindrome (12324333342321).
The spelling of 12202121222100 in words is "twelve trillion, two hundred two billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred".
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