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212242340212 = 22715159384653
BaseRepresentation
bin1100010110101010100…
…0010001100101110100
3202021211112102000010021
43011222220101211310
511434133014341322
6241300333534524
721222364060660
oct3055250214564
9667745360107
10212242340212
11820142a4641
1235173644444
1317025743a76
14a3b5d838a0
1557c31144c7
hex316aa11974

212242340212 has 48 divisors (see below), whose sum is σ = 428021459712. Its totient is φ = 90205171200.

The previous prime is 212242340201. The next prime is 212242340249. The reversal of 212242340212 is 212043242212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2464878 + ... + 2549530.

It is an arithmetic number, because the mean of its divisors is an integer number (8917113744).

Almost surely, 2212242340212 is an apocalyptic number.

It is an amenable number.

212242340212 is an abundant number, since it is smaller than the sum of its proper divisors (215779119500).

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

212242340212 is a wasteful number, since it uses less digits than its factorization.

212242340212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85408 (or 85406 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 212242340212 its reverse (212043242212), we get a palindrome (424285582424).

The spelling of 212242340212 in words is "two hundred twelve billion, two hundred forty-two million, three hundred forty thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 151 302 593 604 1057 1186 2114 2372 4151 4228 8302 16604 84653 89543 169306 179086 338612 358172 592571 626801 1185142 1253602 2370284 2507204 12782603 25565206 50199229 51130412 89478221 100398458 178956442 200796916 351394603 357912884 702789206 1405578412 7580083579 15160167158 30320334316 53060585053 106121170106 212242340212