Search a number
-
+
12022202232 = 2332712351761
BaseRepresentation
bin10110011001001010…
…00011111101111000
31011000211220011002100
423030211003331320
5144110140432412
65304541303400
7603631014165
oct131445037570
934024804070
1012022202232
11510a246527
1223b6264b60
131197939441
1482095b06c
154a56a8edc
hex2cc943f78

12022202232 has 48 divisors (see below), whose sum is σ = 33018738480. Its totient is φ = 3950956800.

The previous prime is 12022202221. The next prime is 12022202233. The reversal of 12022202232 is 23220222021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022202233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1170769 + ... + 1180992.

It is an arithmetic number, because the mean of its divisors is an integer number (687890385).

Almost surely, 212022202232 is an apocalyptic number.

12022202232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12022202232 is an abundant number, since it is smaller than the sum of its proper divisors (20996536248).

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

12022202232 is a wasteful number, since it uses less digits than its factorization.

12022202232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2351844 (or 2351837 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12022202232 its reverse (23220222021), we get a palindrome (35242424253).

The spelling of 12022202232 in words is "twelve billion, twenty-two million, two hundred two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 71 72 142 213 284 426 568 639 852 1278 1704 2556 5112 2351761 4703522 7055283 9407044 14110566 18814088 21165849 28221132 42331698 56442264 84663396 166975031 169326792 333950062 500925093 667900124 1001850186 1335800248 1502775279 2003700372 3005550558 4007400744 6011101116 12022202232