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11212202222212 = 22311129215337199
BaseRepresentation
bin1010001100101000101101…
…0101001010001010000100
31110200212122122120110212211
42203022023111022022010
52432200042232102322
635502451541353204
72235024552255235
oct243121325121204
943625578513784
1011212202222212
113633082942282
121310bbba08804
136343c975c654
142aa96007508c
151469c5ee6b77
hexa328b54a284

11212202222212 has 48 divisors (see below), whose sum is σ = 20282201856000. Its totient is φ = 5417790497280.

The previous prime is 11212202222173. The next prime is 11212202222231. The reversal of 11212202222212 is 21222220221211.

It is a super-2 number, since 2×112122022222122 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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, 301392789 + ... + 301429987.

It is an arithmetic number, because the mean of its divisors is an integer number (422545872000).

Almost surely, 211212202222212 is an apocalyptic number.

It is an amenable number.

11212202222212 is a deficient number, since it is larger than the sum of its proper divisors (9069999633788).

11212202222212 is a wasteful number, since it uses less digits than its factorization.

11212202222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40516 (or 40514 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11212202222212 its reverse (21222220221211), we get a palindrome (32434422443423).

The spelling of 11212202222212 in words is "eleven trillion, two hundred twelve billion, two hundred two million, two hundred twenty-two thousand, two hundred twelve".

Divisors: 1 2 4 31 62 124 1129 2153 2258 4306 4516 8612 34999 37199 66743 69998 74398 133486 139996 148796 266972 1153169 2306338 2430737 4612676 4861474 9722948 41997671 75352847 80089447 83995342 150705694 160178894 167990684 301411388 320357788 1301927801 2482772857 2603855602 4965545714 5207711204 9931091428 90420985663 180841971326 361683942652 2803050555553 5606101111106 11212202222212