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12201011011100 = 2252449271737439
BaseRepresentation
bin1011000110001100010011…
…1011010101111000011100
31121012101221102202110210102
42301203010323111320130
53044400132304323400
641541022253400232
72366331266300522
oct261430473257034
947171842673712
1012201011011100
1139844686aa66a
121450779a99078
136a6720302a82
14302764076312
15162599eed9d5
hexb18c4ed5e1c

12201011011100 has 36 divisors (see below), whose sum is σ = 26535161016000. Its totient is φ = 4869534888960.

The previous prime is 12201011011069. The next prime is 12201011011109. The reversal of 12201011011100 is 111011010221.

12201011011100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201011011109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135823820 + ... + 135913619.

It is an arithmetic number, because the mean of its divisors is an integer number (737087806000).

Almost surely, 212201011011100 is an apocalyptic number.

12201011011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12201011011100 is an abundant number, since it is smaller than the sum of its proper divisors (14334150004900).

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

12201011011100 is a wasteful number, since it uses less digits than its factorization.

12201011011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271737902 (or 271737895 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12201011011100 its reverse (111011010221), we get a palindrome (12312022021321).

The spelling of 12201011011100 in words is "twelve trillion, two hundred one billion, eleven million, eleven thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 449 898 1796 2245 4490 8980 11225 22450 44900 271737439 543474878 1086949756 1358687195 2717374390 5434748780 6793435975 13586871950 27173743900 122010110111 244020220222 488040440444 610050550555 1220101101110 2440202202220 3050252752775 6100505505550 12201011011100