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212110202212 = 221011753299501
BaseRepresentation
bin1100010110001011000…
…0001101010101100100
3202021111022202200212021
43011202300031111210
511433400202432322
6241235253432524
721216200653666
oct3054260152544
9667438680767
10212110202212
1181a56752387
123513733b744
131700425a0bc
14a3a25c8536
1557b67124c7
hex3162c0d564

212110202212 has 24 divisors (see below), whose sum is σ = 375083126712. Its totient is φ = 104944800000.

The previous prime is 212110202203. The next prime is 212110202233. The reversal of 212110202212 is 212202011212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5936086116 + 206174116096 = 77046^2 + 454064^2 .

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, 558462 + ... + 857962.

It is an arithmetic number, because the mean of its divisors is an integer number (15628463613).

Almost surely, 2212110202212 is an apocalyptic number.

It is an amenable number.

212110202212 is a deficient number, since it is larger than the sum of its proper divisors (162972924500).

212110202212 is a wasteful number, since it uses less digits than its factorization.

212110202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301359 (or 301357 counting only the distinct ones).

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

Adding to 212110202212 its reverse (212202011212), we get a palindrome (424312213424).

The spelling of 212110202212 in words is "two hundred twelve billion, one hundred ten million, two hundred two thousand, two hundred twelve".

Divisors: 1 2 4 101 202 404 1753 3506 7012 177053 299501 354106 599002 708212 1198004 30249601 60499202 120998404 525025253 1050050506 2100101012 53027550553 106055101106 212110202212