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12112202222230 = 2511719153144547
BaseRepresentation
bin1011000001000001011110…
…0000101100101010010110
31120212220201012100120010211
42300100113200230222112
53041421242232102410
641432134025040034
72360035443115645
oct260202740545226
946786635316124
1012112202222230
11394a835432090
12143751402601a
1369b239218766
142dc33b45b35c
151600ed52368a
hexb041782ca96

12112202222230 has 32 divisors (see below), whose sum is σ = 23817040104960. Its totient is φ = 4398311361120.

The previous prime is 12112202222191. The next prime is 12112202222231. The reversal of 12112202222230 is 3222220221121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112202222231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76493184 + ... + 76651363.

It is an arithmetic number, because the mean of its divisors is an integer number (744282503280).

Almost surely, 212112202222230 is an apocalyptic number.

12112202222230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112202222230 is a deficient number, since it is larger than the sum of its proper divisors (11704837882730).

12112202222230 is a wasteful number, since it uses less digits than its factorization.

12112202222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153145284.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 12112202222230 its reverse (3222220221121), we get a palindrome (15334422443351).

The spelling of 12112202222230 in words is "twelve trillion, one hundred twelve billion, two hundred two million, two hundred twenty-two thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 719 1438 3595 7190 7909 15818 39545 79090 153144547 306289094 765722735 1531445470 1684590017 3369180034 8422950085 16845900170 110110929293 220221858586 550554646465 1101109292930 1211220222223 2422440444446 6056101111115 12112202222230