Search a number
-
+
12202021112202 = 232677890061789
BaseRepresentation
bin1011000110010000000100…
…1000100100100110001010
31121012111112211102221000100
42301210001020210212022
53044404214401042302
641541310415350230
72366365313101635
oct261440110444612
947174484387010
1012202021112202
1139849368a2569
121450a00222376
136a685166882c
1430281c292c1c
15162608a27d1c
hexb190122498a

12202021112202 has 12 divisors (see below), whose sum is σ = 26437712409810. Its totient is φ = 4067340370728.

The previous prime is 12202021112167. The next prime is 12202021112221. The reversal of 12202021112202 is 20221112020221.

It is a happy number.

12202021112202 is a `hidden beast` number, since 1 + 220 + 20 + 211 + 12 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7101420192801 + 5100600919401 = 2664849^2 + 2258451^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 677890061789 = 12202021112202 / (1 + 2 + 2 + 0 + 2 + 0 + 2 + 1 + 1 + 1 + 2 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 338945030877 + ... + 338945030912.

Almost surely, 212202021112202 is an apocalyptic number.

12202021112202 is an abundant number, since it is smaller than the sum of its proper divisors (14235691297608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12202021112202 is a wasteful number, since it uses less digits than its factorization.

12202021112202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677890061797 (or 677890061794 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12202021112202 its reverse (20221112020221), we get a palindrome (32423133132423).

The spelling of 12202021112202 in words is "twelve trillion, two hundred two billion, twenty-one million, one hundred twelve thousand, two hundred two".

Divisors: 1 2 3 6 9 18 677890061789 1355780123578 2033670185367 4067340370734 6101010556101 12202021112202