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210210120101212 = 227111124360704473
BaseRepresentation
bin101111110010111101011011…
…100010010110110101011100
31000120021220001200220101220121
4233302331123202112311130
5210023040311221214322
62023025110201324324
762164115511243310
oct5762753342266534
91016256050811817
10210210120101212
1160a8567a6a3380
121b6b0167a966a4
13903a963284a2a
1439ca31ccdbb40
1519480aab39ec7
hexbf2f5b896d5c

210210120101212 has 48 divisors (see below), whose sum is σ = 458681063000832. Its totient is φ = 81892760906880.

The previous prime is 210210120101203. The next prime is 210210120101237. The reversal of 210210120101212 is 212101021012012.

It is a super-2 number, since 2×2102101201012122 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26889393 + ... + 33815080.

It is an arithmetic number, because the mean of its divisors is an integer number (9555855479184).

Almost surely, 2210210120101212 is an apocalyptic number.

210210120101212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

210210120101212 is an abundant number, since it is smaller than the sum of its proper divisors (248470942899620).

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

210210120101212 is a wasteful number, since it uses less digits than its factorization.

210210120101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60715738 (or 60715736 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 210210120101212 its reverse (212101021012012), we get a palindrome (422311141113224).

The spelling of 210210120101212 in words is "two hundred ten trillion, two hundred ten billion, one hundred twenty million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 11243 22486 44972 78701 123673 157402 247346 314804 494692 865711 1731422 3462844 60704473 121408946 242817892 424931311 667749203 849862622 1335498406 1699725244 2670996812 4674244421 9348488842 18696977684 682500389939 1365000779878 2730001559756 4777502729573 7507504289329 9555005459146 15015008578658 19110010918292 30030017157316 52552530025303 105105060050606 210210120101212