Search a number
-
+
212322201121 = 7923811128779
BaseRepresentation
bin1100010110111101100…
…0111010111000100001
3202022001002200100200201
43011233120322320201
511434313440413441
6241312305345201
721224353634422
oct3055730727041
9668032610621
10212322201121
1182055390298
1235196338201
1317039155a44
14a3c2811649
1557ca13bc31
hex316f63ae21

212322201121 has 8 divisors (see below), whose sum is σ = 215100316800. Its totient is φ = 209546347920.

The previous prime is 212322201043. The next prime is 212322201137. The reversal of 212322201121 is 121102223212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212322201121 - 217 = 212322070049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212322201191) 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, 376291 + ... + 752488.

It is an arithmetic number, because the mean of its divisors is an integer number (26887539600).

Almost surely, 2212322201121 is an apocalyptic number.

It is an amenable number.

212322201121 is a deficient number, since it is larger than the sum of its proper divisors (2778115679).

212322201121 is a wasteful number, since it uses less digits than its factorization.

212322201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131239.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 212322201121 its reverse (121102223212), we get a palindrome (333424424333).

The spelling of 212322201121 in words is "two hundred twelve billion, three hundred twenty-two million, two hundred one thousand, one hundred twenty-one".

Divisors: 1 79 2381 188099 1128779 89173541 2687622799 212322201121