Search a number
-
+
12021133022220 = 2235728621745291
BaseRepresentation
bin1010111011101110001101…
…0111010001010000001100
31120120012122102120212100010
42232323203113101100030
53033423240023202340
641322233212033220
72350332611516130
oct256734327212014
946505572525303
1012021133022220
113915152223223
121421939162810
13692784a3a96a
142d7b7c55b3c0
1515ca6d396b80
hexaeee35d140c

12021133022220 has 48 divisors (see below), whose sum is σ = 38467625672448. Its totient is φ = 2747687547840.

The previous prime is 12021133022207. The next prime is 12021133022233. The reversal of 12021133022220 is 2222033112021.

12021133022220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12021133022207) and next prime (12021133022233).

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 14310872226 + ... + 14310873065.

It is an arithmetic number, because the mean of its divisors is an integer number (801408868176).

Almost surely, 212021133022220 is an apocalyptic number.

12021133022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021133022220 is an abundant number, since it is smaller than the sum of its proper divisors (26446492650228).

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

12021133022220 is a wasteful number, since it uses less digits than its factorization.

12021133022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28621745310 (or 28621745308 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12021133022220 its reverse (2222033112021), we get a palindrome (14243166134241).

The spelling of 12021133022220 in words is "twelve trillion, twenty-one billion, one hundred thirty-three million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 28621745291 57243490582 85865235873 114486981164 143108726455 171730471746 200352217037 286217452910 343460943492 400704434074 429326179365 572434905820 601056651111 801408868148 858652358730 1001761085185 1202113302222 1717304717460 2003522170370 2404226604444 3005283255555 4007044340740 6010566511110 12021133022220