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12011210012103 = 310990740497827
BaseRepresentation
bin1010111011001001001111…
…1001111111010111000111
31120112021000212200201110220
42232302103321333113013
53033242424230341403
641313512415315423
72346531660362361
oct256622371772707
946467025621426
1012011210012103
113910a1aa13915
12141ba29b1bb73
13691862c98743
142d74ba719d31
1515c68c145953
hexaec93e7f5c7

12011210012103 has 16 divisors (see below), whose sum is σ = 16179692242560. Its totient is φ = 7925262556896.

The previous prime is 12011210012063. The next prime is 12011210012129. The reversal of 12011210012103 is 30121001211021.

It is not a de Polignac number, because 12011210012103 - 232 = 12006915044807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011210014103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19952325 + ... + 20545502.

It is an arithmetic number, because the mean of its divisors is an integer number (1011230765160).

Almost surely, 212011210012103 is an apocalyptic number.

12011210012103 is a deficient number, since it is larger than the sum of its proper divisors (4168482230457).

12011210012103 is a wasteful number, since it uses less digits than its factorization.

12011210012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40498846.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12011210012103 its reverse (30121001211021), we get a palindrome (42132211223124).

The spelling of 12011210012103 in words is "twelve trillion, eleven billion, two hundred ten million, twelve thousand, one hundred three".

Divisors: 1 3 109 327 907 2721 98863 296589 40497827 121493481 4414263143 13242789429 36731529089 110194587267 4003736670701 12011210012103