Base | Representation |
---|---|
bin | 1011000110110101010000… |
… | …0111010000101011110101 |
3 | 1121020110022111112010201001 |
4 | 2301231110013100223311 |
5 | 3100040140310241041 |
6 | 41550041122403301 |
7 | 2400200552411524 |
oct | 261552407205365 |
9 | 47213274463631 |
10 | 12212003212021 |
11 | 39890994a0938 |
12 | 1452927200531 |
13 | 6a7782729582 |
14 | 3030c7cb64bb |
15 | 1629e004c131 |
hex | b1b541d0af5 |
12212003212021 has 8 divisors (see below), whose sum is σ = 12881576851200. Its totient is φ = 11545113235680.
The previous prime is 12212003211953. The next prime is 12212003212033. The reversal of 12212003212021 is 12021230021221.
12212003212021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12212003212021 - 27 = 12212003211893 is a prime.
It is a super-2 number, since 2×122120032120212 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12212003212021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12212003210021) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670906360 + ... + 670924561.
It is an arithmetic number, because the mean of its divisors is an integer number (1610197106400).
Almost surely, 212212003212021 is an apocalyptic number.
It is an amenable number.
12212003212021 is a deficient number, since it is larger than the sum of its proper divisors (669573639179).
12212003212021 is a wasteful number, since it uses less digits than its factorization.
12212003212021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1341831419.
The product of its (nonzero) digits is 192, while the sum is 19.
Adding to 12212003212021 its reverse (12021230021221), we get a palindrome (24233233233242).
The spelling of 12212003212021 in words is "twelve trillion, two hundred twelve billion, three million, two hundred twelve thousand, twenty-one".
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