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1212012210002 = 211229505147629
BaseRepresentation
bin10001101000110001100…
…011101010011101010010
311021212102012210121022012
4101220301203222131102
5124324200111210002
62324442443542522
7153364535542316
oct21506143523522
94255365717265
101212012210002
11428014328280
12176a9052aa42
138a3a5135c89
1442939a03b46
15217d956dd52
hex11a318ea752

1212012210002 has 32 divisors (see below), whose sum is σ = 1992389572800. Its totient is φ = 548388792000.

The previous prime is 1212012209981. The next prime is 1212012210037. The reversal of 1212012210002 is 2000122102121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25423124 + ... + 25470752.

It is an arithmetic number, because the mean of its divisors is an integer number (62262174150).

Almost surely, 21212012210002 is an apocalyptic number.

1212012210002 is a deficient number, since it is larger than the sum of its proper divisors (780377362798).

1212012210002 is a wasteful number, since it uses less digits than its factorization.

1212012210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52922.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1212012210002 its reverse (2000122102121), we get a palindrome (3212134312123).

The spelling of 1212012210002 in words is "one trillion, two hundred twelve billion, twelve million, two hundred ten thousand, two".

Divisors: 1 2 11 22 229 458 2519 5038 5051 10102 47629 55561 95258 111122 523919 1047838 1156679 2313358 10907041 12723469 21814082 25446938 119977451 239954902 240574079 481148158 2646314869 5292629738 55091464091 110182928182 606006105001 1212012210002