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12112202010222 = 23210317936497267
BaseRepresentation
bin1011000001000001011101…
…1111111000111001101110
31120212220201011221210022200
42300100113133320321232
53041421242203311342
641432134020322330
72360035441243566
oct260202737707156
946786634853280
1012112202010222
11394a8352a7876
121437513b433a6
1369b239173102
142dc33b403da6
151600ed4d094c
hexb04177f8e6e

12112202010222 has 48 divisors (see below), whose sum is σ = 26645925421440. Its totient is φ = 3975866168976.

The previous prime is 12112202010221. The next prime is 12112202010239. The reversal of 12112202010222 is 22201020221121.

It is a happy number.

12112202010222 is a `hidden beast` number, since 1 + 21 + 1 + 220 + 201 + 0 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 12112202010195 and 12112202010204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12112202010221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17916768 + ... + 18580499.

It is an arithmetic number, because the mean of its divisors is an integer number (555123446280).

Almost surely, 212112202010222 is an apocalyptic number.

12112202010222 is an abundant number, since it is smaller than the sum of its proper divisors (14533723411218).

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

12112202010222 is a wasteful number, since it uses less digits than its factorization.

12112202010222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36497557 (or 36497554 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12112202010222 its reverse (22201020221121), we get a palindrome (34313222231343).

The spelling of 12112202010222 in words is "twelve trillion, one hundred twelve billion, two hundred two million, ten thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 103 179 206 309 358 537 618 927 1074 1611 1854 3222 18437 36874 55311 110622 165933 331866 36497267 72994534 109491801 218983602 328475403 656950806 3759218501 6533010793 7518437002 11277655503 13066021586 19599032379 22555311006 33832966509 39198064758 58797097137 67665933018 117594194274 672900111679 1345800223358 2018700335037 4037400670074 6056101005111 12112202010222