Search a number
-
+
212020011222 = 23173913353117
BaseRepresentation
bin1100010101110101100…
…0001010000011010110
3202021021001001112002020
43011131120022003112
511433204110324342
6241222312354010
721214024234335
oct3053530120326
9667231045066
10212020011222
1181a0a850578
12351110a5906
1316cbb66c256
14a39462bd1c
1557ad8490ec
hex315d60a0d6

212020011222 has 32 divisors (see below), whose sum is σ = 449003479392. Its totient is φ = 66513129984.

The previous prime is 212020011197. The next prime is 212020011223. The reversal of 212020011222 is 222110020212.

It is a super-3 number, since 3×2120200112223 (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020011223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3965008 + ... + 4018124.

It is an arithmetic number, because the mean of its divisors is an integer number (14031358731).

Almost surely, 2212020011222 is an apocalyptic number.

212020011222 is an abundant number, since it is smaller than the sum of its proper divisors (236983468170).

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

212020011222 is a wasteful number, since it uses less digits than its factorization.

212020011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92272.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 212020011222 its reverse (222110020212), we get a palindrome (434130031434).

The spelling of 212020011222 in words is "two hundred twelve billion, twenty million, eleven thousand, two hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 102 39133 53117 78266 106234 117399 159351 234798 318702 665261 902989 1330522 1805978 1995783 2708967 3991566 5417934 2078627561 4157255122 6235882683 12471765366 35336668537 70673337074 106010005611 212020011222