Base | Representation |
---|---|
bin | 1011000111011010100100… |
… | …1110110111000001010000 |
3 | 1121021102011200010202102221 |
4 | 2301312221032313001100 |
5 | 3100221144411431000 |
6 | 41554415150550424 |
7 | 2401004036051431 |
oct | 261665116670120 |
9 | 47242150122387 |
10 | 12222021202000 |
11 | 399236a382aa5 |
12 | 1454862208414 |
13 | 6a86bb0752ac |
14 | 30379859d488 |
15 | 162dc97b061a |
hex | b1da93b7050 |
12222021202000 has 80 divisors (see below), whose sum is σ = 29616678554112. Its totient is φ = 4878249129600.
The previous prime is 12222021201989. The next prime is 12222021202049. The reversal of 12222021202000 is 20212022221.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5673364 + ... + 7525363.
Almost surely, 212222021202000 is an apocalyptic number.
12222021202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12222021202000 is an abundant number, since it is smaller than the sum of its proper divisors (17394657352112).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12222021202000 is a wasteful number, since it uses less digits than its factorization.
12222021202000 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13199213 (or 13199197 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 16.
Adding to 12222021202000 its reverse (20212022221), we get a palindrome (12242233224221).
The spelling of 12222021202000 in words is "twelve trillion, two hundred twenty-two billion, twenty-one million, two hundred two thousand".
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