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12012012120103 = 372071871566937
BaseRepresentation
bin1010111011001100001110…
…1101110010100000100111
31120112100002210000000210121
42232303003231302200213
53033301100100320403
641314124151302411
72346560600235562
oct256630355624047
946470083000717
1012012012120103
1139112a1764496
12142001267aa07
13691960208c68
142d75550734d9
1515c6d77873bd
hexaecc3b72827

12012012120103 has 8 divisors (see below), whose sum is σ = 12336728513072. Its totient is φ = 11687299275456.

The previous prime is 12012012120083. The next prime is 12012012120127. The reversal of 12012012120103 is 30102121021021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12012012120103 - 241 = 9812988864551 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 (12012012120193) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6882451 + ... + 8449387.

It is an arithmetic number, because the mean of its divisors is an integer number (1542091064134).

Almost surely, 212012012120103 is an apocalyptic number.

12012012120103 is a deficient number, since it is larger than the sum of its proper divisors (324716392969).

12012012120103 is a wasteful number, since it uses less digits than its factorization.

12012012120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774161.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12012012120103 its reverse (30102121021021), we get a palindrome (42114133141124).

The spelling of 12012012120103 in words is "twelve trillion, twelve billion, twelve million, one hundred twenty thousand, one hundred three".

Divisors: 1 37 207187 1566937 7665919 57976669 324648976219 12012012120103