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12022210212 = 22317431370521
BaseRepresentation
bin10110011001001010…
…00101111010100100
31011000211220120000220
423030211011322210
5144110141211322
65304541404340
7603631046355
oct131445057244
934024816026
1012022210212
11510a251521
1223b62696b0
13119793cc6c
1482095dd2c
154a56ab55c
hex2cc945ea4

12022210212 has 48 divisors (see below), whose sum is σ = 30392695872. Its totient is φ = 3683957760.

The previous prime is 12022210201. The next prime is 12022210241. The reversal of 12022210212 is 21201222021.

It is a junction number, because it is equal to n+sod(n) for n = 12022210191 and 12022210200.

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, 676489 + ... + 694032.

It is an arithmetic number, because the mean of its divisors is an integer number (633181164).

Almost surely, 212022210212 is an apocalyptic number.

12022210212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12022210212 is an abundant number, since it is smaller than the sum of its proper divisors (18370485660).

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

12022210212 is a wasteful number, since it uses less digits than its factorization.

12022210212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370588 (or 1370586 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12022210212 its reverse (21201222021), we get a palindrome (33223432233).

The spelling of 12022210212 in words is "twelve billion, twenty-two million, two hundred ten thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 43 51 68 86 102 129 172 204 258 516 731 1462 2193 2924 4386 8772 1370521 2741042 4111563 5482084 8223126 16446252 23298857 46597714 58932403 69896571 93195428 117864806 139793142 176797209 235729612 279586284 353594418 707188836 1001850851 2003701702 3005552553 4007403404 6011105106 12022210212