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12103122212303 = 67180643615109
BaseRepresentation
bin1011000000011111101001…
…0011001101010111001111
31120212001021101201021010212
42300013322103031113033
53041244143241243203
641424033024553035
72356264436240543
oct260077223152717
946761241637125
1012103122212303
1139469a5a63251
1214357bb18277b
1369a420003715
142dbb19579a23
1515ec6b2e01d8
hexb01fa4cd5cf

12103122212303 has 4 divisors (see below), whose sum is σ = 12283765827480. Its totient is φ = 11922478597128.

The previous prime is 12103122212261. The next prime is 12103122212333. The reversal of 12103122212303 is 30321222130121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12103122212303 - 212 = 12103122208207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103122212333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90321807488 + ... + 90321807621.

It is an arithmetic number, because the mean of its divisors is an integer number (3070941456870).

Almost surely, 212103122212303 is an apocalyptic number.

12103122212303 is a deficient number, since it is larger than the sum of its proper divisors (180643615177).

12103122212303 is an equidigital number, since it uses as much as digits as its factorization.

12103122212303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180643615176.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12103122212303 its reverse (30321222130121), we get a palindrome (42424344342424).

The spelling of 12103122212303 in words is "twelve trillion, one hundred three billion, one hundred twenty-two million, two hundred twelve thousand, three hundred three".

Divisors: 1 67 180643615109 12103122212303