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12210123100010 = 2511319091393871
BaseRepresentation
bin1011000110101110010000…
…0011001100111101101010
31121020021110110202112212212
42301223210003030331222
53100022313003200020
641545130401205122
72400103142623433
oct261534403147552
947207413675785
1012210123100010
113988314199960
1214524a16307a2
136a754306a164
14302d8a30848a
1516292ee6bcc5
hexb1ae40ccf6a

12210123100010 has 64 divisors (see below), whose sum is σ = 24752454156288. Its totient is φ = 4296333960000.

The previous prime is 12210123100003. The next prime is 12210123100013. The reversal of 12210123100010 is 1000132101221.

12210123100010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122101231000102 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12210123100013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30803375 + ... + 31197245.

It is an arithmetic number, because the mean of its divisors is an integer number (386757096192).

Almost surely, 212210123100010 is an apocalyptic number.

12210123100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12210123100010 is an abundant number, since it is smaller than the sum of its proper divisors (12542331056278).

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

12210123100010 is a wasteful number, since it uses less digits than its factorization.

12210123100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403011.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 12210123100010 its reverse (1000132101221), we get a palindrome (13210255201231).

The spelling of 12210123100010 in words is "twelve trillion, two hundred ten billion, one hundred twenty-three million, one hundred thousand, ten".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 682 1705 3410 9091 18182 45455 90910 100001 200002 281821 393871 500005 563642 787742 1000010 1409105 1969355 2818210 3100031 3938710 4332581 6200062 8665162 12210001 15500155 21662905 24420002 31000310 43325810 61050005 122100010 134310011 268620022 671550055 1343100110 3580681261 7161362522 17903406305 35806812610 39387493871 78774987742 111001119091 196937469355 222002238182 393874938710 555005595455 1110011190910 1221012310001 2442024620002 6105061550005 12210123100010