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212010222101020 = 22571514358729293
BaseRepresentation
bin110000001101001001111001…
…111110100010001000011100
31000210122222102220101200210221
4300031021321332202020130
5210242033413324213040
62030524052414411124
762441142641626030
oct6015117176421034
91023588386350727
10212010222101020
116160a03730aa22
121b941002500aa4
13913b62a690a45
143a4d4c705c1c0
151979d145e074a
hexc0d279fa221c

212010222101020 has 24 divisors (see below), whose sum is σ = 508824533042784. Its totient is φ = 72689219006016.

The previous prime is 212010222100969. The next prime is 212010222101033. The reversal of 212010222101020 is 20101222010212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212010222100985 and 212010222101003.

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, 757179364507 + ... + 757179364786.

It is an arithmetic number, because the mean of its divisors is an integer number (21201022210116).

Almost surely, 2212010222101020 is an apocalyptic number.

212010222101020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212010222101020 is an abundant number, since it is smaller than the sum of its proper divisors (296814310941764).

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

212010222101020 is a wasteful number, since it uses less digits than its factorization.

212010222101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514358729309 (or 1514358729307 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212010222101020 its reverse (20101222010212), we get a palindrome (232111444111232).

The spelling of 212010222101020 in words is "two hundred twelve trillion, ten billion, two hundred twenty-two million, one hundred one thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 1514358729293 3028717458586 6057434917172 7571793646465 10600511105051 15143587292930 21201022210102 30287174585860 42402044420204 53002555525255 106005111050510 212010222101020