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2012104343220 = 2235283118498489
BaseRepresentation
bin11101010001111010110…
…000111011111010110100
321010100121000022012022020
4131101322300323322310
5230431242202440340
64140203055033140
7265240551503316
oct35217260737264
97110530265266
102012104343220
117063684a0024
12285b6180b7b0
1311798220053a
146d55a2ad7b6
15375159ae9d0
hex1d47ac3beb4

2012104343220 has 48 divisors (see below), whose sum is σ = 5653799954880. Its totient is φ = 534665177856.

The previous prime is 2012104343219. The next prime is 2012104343233. The reversal of 2012104343220 is 223434012102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59232265 + ... + 59266224.

It is an arithmetic number, because the mean of its divisors is an integer number (117787499060).

Almost surely, 22012104343220 is an apocalyptic number.

2012104343220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2012104343220 is an abundant number, since it is smaller than the sum of its proper divisors (3641695611660).

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

2012104343220 is a wasteful number, since it uses less digits than its factorization.

2012104343220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118498784 (or 118498782 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 2012104343220 its reverse (223434012102), we get a palindrome (2235538355322).

The spelling of 2012104343220 in words is "two trillion, twelve billion, one hundred four million, three hundred forty-three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 283 566 849 1132 1415 1698 2830 3396 4245 5660 8490 16980 118498489 236996978 355495467 473993956 592492445 710990934 1184984890 1421981868 1777477335 2369969780 3554954670 7109909340 33535072387 67070144774 100605217161 134140289548 167675361935 201210434322 335350723870 402420868644 503026085805 670701447740 1006052171610 2012104343220