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20130212120302 = 241436193591457
BaseRepresentation
bin1001001001110111011100…
…01001001000011011101110
32122021102121002112120122001
410210323232021020123232
510114303133300322202
6110451405231442514
74145234264543524
oct444735611103356
978242532476561
1020130212120302
1164611a1a482a9
12231145338643a
13b3036a0c752b
144d8443982314
1524d976649d87
hex124eee2486ee

20130212120302 has 32 divisors (see below), whose sum is σ = 32170004675424. Its totient is φ = 9434018764800.

The previous prime is 20130212120299. The next prime is 20130212120311. The reversal of 20130212120302 is 20302121203102.

It is a self number, because there is not a number n which added to its sum of digits gives 20130212120302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46580643 + ... + 47010814.

It is an arithmetic number, because the mean of its divisors is an integer number (1005312646107).

Almost surely, 220130212120302 is an apocalyptic number.

20130212120302 is a deficient number, since it is larger than the sum of its proper divisors (12039792555122).

20130212120302 is a wasteful number, since it uses less digits than its factorization.

20130212120302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93591604.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20130212120302 its reverse (20302121203102), we get a palindrome (40432333323404).

The spelling of 20130212120302 in words is "twenty trillion, one hundred thirty billion, two hundred twelve million, one hundred twenty thousand, three hundred two".

Divisors: 1 2 41 43 61 82 86 122 1763 2501 2623 3526 5002 5246 107543 215086 93591457 187182914 3837249737 4024432651 5709078877 7674499474 8048865302 11418157754 165001738691 234072233957 245490391711 330003477382 468144467914 490980783422 10065106060151 20130212120302