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12201000212112 = 243254187504419
BaseRepresentation
bin1011000110001100010001…
…0010001001011010010000
31121012101220200102211100220
42301203010102021122100
53044400122023241422
641541021230113040
72366331105432555
oct261430422113220
947171820384326
1012201000212112
1139844625a4188
12145077634b780
136a671acc163a
14302762864a2c
151625990b8e5c
hexb18c4489690

12201000212112 has 20 divisors (see below), whose sum is σ = 31519250548080. Its totient is φ = 4067000070688.

The previous prime is 12201000212087. The next prime is 12201000212123. The reversal of 12201000212112 is 21121200010221.

It is a junction number, because it is equal to n+sod(n) for n = 12201000212091 and 12201000212100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127093752162 + ... + 127093752257.

It is an arithmetic number, because the mean of its divisors is an integer number (1575962527404).

Almost surely, 212201000212112 is an apocalyptic number.

12201000212112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12201000212112 is an abundant number, since it is smaller than the sum of its proper divisors (19318250335968).

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

12201000212112 is a wasteful number, since it uses less digits than its factorization.

12201000212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254187504430 (or 254187504424 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12201000212112 its reverse (21121200010221), we get a palindrome (33322200222333).

The spelling of 12201000212112 in words is "twelve trillion, two hundred one billion, two hundred twelve thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 254187504419 508375008838 762562513257 1016750017676 1525125026514 2033500035352 3050250053028 4067000070704 6100500106056 12201000212112