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12452551252212 = 22317131946278937
BaseRepresentation
bin1011010100110101010111…
…1001001101100011110100
31122002110012201002200111210
42311031111321031203310
53113010311110032322
642252342330001420
72423444554126251
oct265152571154364
948073181080453
1012452551252212
113a711085a9855
12149147a276270
136c4369503426
143109c7264428
15168dbd16070c
hexb5355e4d8f4

12452551252212 has 48 divisors (see below), whose sum is σ = 30788451872640. Its totient is φ = 3903720809472.

The previous prime is 12452551252177. The next prime is 12452551252249. The reversal of 12452551252212 is 21225215525421.

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, 22870393 + ... + 23408544.

It is an arithmetic number, because the mean of its divisors is an integer number (641426080680).

Almost surely, 212452551252212 is an apocalyptic number.

12452551252212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12452551252212 is an abundant number, since it is smaller than the sum of its proper divisors (18335900620428).

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

12452551252212 is a wasteful number, since it uses less digits than its factorization.

12452551252212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46280280 (or 46280278 counting only the distinct ones).

The product of its digits is 160000, while the sum is 39.

Adding to 12452551252212 its reverse (21225215525421), we get a palindrome (33677766777633).

The spelling of 12452551252212 in words is "twelve trillion, four hundred fifty-two billion, five hundred fifty-one million, two hundred fifty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1319 2638 3957 5276 7914 15828 22423 44846 67269 89692 134538 269076 46278937 92557874 138836811 185115748 277673622 555347244 786741929 1573483858 2360225787 3146967716 4720451574 9440903148 61041917903 122083835806 183125753709 244167671612 366251507418 732503014836 1037712604351 2075425208702 3113137813053 4150850417404 6226275626106 12452551252212