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2100200101212 = 223533302201417
BaseRepresentation
bin11110100011111101101…
…011100101010101011100
321102202222120000101110210
4132203331223211111130
5233402202211214322
64244452452532420
7304506626212023
oct36437553452534
97382876011423
102100200101212
1173a765228994
1229b048921110
131230816651a5
147391631b8ba
153996ea9170c
hex1e8fdae555c

2100200101212 has 24 divisors (see below), whose sum is σ = 4992928544016. Its totient is φ = 686857894528.

The previous prime is 2100200101201. The next prime is 2100200101229. The reversal of 2100200101212 is 2121010020012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1651100073 + ... + 1651101344.

It is an arithmetic number, because the mean of its divisors is an integer number (208038689334).

Almost surely, 22100200101212 is an apocalyptic number.

It is an amenable number.

2100200101212 is an abundant number, since it is smaller than the sum of its proper divisors (2892728442804).

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

2100200101212 is a wasteful number, since it uses less digits than its factorization.

2100200101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302201477 (or 3302201475 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2100200101212 its reverse (2121010020012), we get a palindrome (4221210121224).

The spelling of 2100200101212 in words is "two trillion, one hundred billion, two hundred million, one hundred one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 53 106 159 212 318 636 3302201417 6604402834 9906604251 13208805668 19813208502 39626417004 175016675101 350033350202 525050025303 700066700404 1050100050606 2100200101212