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212303013212 = 22371663386243
BaseRepresentation
bin1100010110111000111…
…1101110010101011100
3202021222202120111211102
43011232033232111130
511434244032410322
6241310342212232
721224031560123
oct3055617562534
9667882514742
10212303013212
1182045575114
123518ba24078
1317035198154
14a3c0058aba
1557c85eb792
hex316e3ee55c

212303013212 has 24 divisors (see below), whose sum is σ = 381598997136. Its totient is φ = 103275139968.

The previous prime is 212303013203. The next prime is 212303013253. The reversal of 212303013212 is 212310303212.

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, 2418563 + ... + 2504805.

It is an arithmetic number, because the mean of its divisors is an integer number (15899958214).

Almost surely, 2212303013212 is an apocalyptic number.

It is an amenable number.

212303013212 is a deficient number, since it is larger than the sum of its proper divisors (169295983924).

212303013212 is a wasteful number, since it uses less digits than its factorization.

212303013212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102917 (or 102915 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 212303013212 its reverse (212310303212), we get a palindrome (424613316424).

Subtracting 212303013212 from its reverse (212310303212), we obtain a square (7290000 = 27002).

The spelling of 212303013212 in words is "two hundred twelve billion, three hundred three million, thirteen thousand, two hundred twelve".

Divisors: 1 2 4 37 74 148 16633 33266 66532 86243 172486 344972 615421 1230842 2461684 3190991 6381982 12763964 1434479819 2868959638 5737919276 53075753303 106151506606 212303013212