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12102110010012 = 22311227403888333
BaseRepresentation
bin1011000000011011110111…
…1101111101101010011100
31120211221122212002001122010
42300012331331331222130
53041240110130310022
641423344345551220
72356230365535501
oct260067575755234
946757585061563
1012102110010012
113946526665730
1214355781a5510
1369a2bb3b3459
142dba60d734a8
1515ec0c4ed50c
hexb01bdf7da9c

12102110010012 has 48 divisors (see below), whose sum is σ = 30941077491072. Its totient is φ = 3651150521280.

The previous prime is 12102110009929. The next prime is 12102110010017. The reversal of 12102110010012 is 21001001120121.

It is a super-2 number, since 2×121021100100122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12102110010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102110010017) 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, 201914203 + ... + 201974130.

It is an arithmetic number, because the mean of its divisors is an integer number (644605781064).

Almost surely, 212102110010012 is an apocalyptic number.

12102110010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12102110010012 is an abundant number, since it is smaller than the sum of its proper divisors (18838967481060).

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

12102110010012 is a wasteful number, since it uses less digits than its factorization.

12102110010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403888578 (or 403888576 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12102110010012 its reverse (21001001120121), we get a palindrome (33103111130133).

The spelling of 12102110010012 in words is "twelve trillion, one hundred two billion, one hundred ten million, ten thousand, twelve".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 227 454 681 908 1362 2497 2724 4994 7491 9988 14982 29964 403888333 807776666 1211664999 1615553332 2423329998 4442771663 4846659996 8885543326 13328314989 17771086652 26656629978 53313259956 91682651591 183365303182 275047954773 366730606364 550095909546 1008509167501 1100191819092 2017018335002 3025527502503 4034036670004 6051055005006 12102110010012