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12010200111 = 32713373071291
BaseRepresentation
bin10110010111101110…
…10001110000101111
31011000000022101021100
423023313101300233
5144044102400421
65303432134143
7603424005450
oct131367216057
934000271240
1012010200111
115103499118
1223b2237353
1311952c64b0
1481d115127
154a45d7c26
hex2cbdd1c2f

12010200111 has 96 divisors (see below), whose sum is σ = 22017003008. Its totient is φ = 6138996480.

The previous prime is 12010200109. The next prime is 12010200119. The reversal of 12010200111 is 11100201021.

It is a happy number.

It is not a de Polignac number, because 12010200111 - 21 = 12010200109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12010200093 and 12010200102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010200119) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9302376 + ... + 9303666.

Almost surely, 212010200111 is an apocalyptic number.

12010200111 is a deficient number, since it is larger than the sum of its proper divisors (10006802897).

12010200111 is a wasteful number, since it uses less digits than its factorization.

12010200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12010200111 its reverse (11100201021), we get a palindrome (23110401132).

The spelling of 12010200111 in words is "twelve billion, ten million, two hundred thousand, one hundred eleven".

Divisors: 1 3 7 9 13 21 37 39 63 91 111 117 259 273 307 333 481 777 819 921 1291 1443 2149 2331 2763 3367 3873 3991 4329 6447 9037 10101 11359 11619 11973 16783 19341 27111 27937 30303 34077 35919 47767 50349 79513 81333 83811 102231 117481 143301 147667 151047 238539 251433 334369 352443 396337 429903 443001 620971 715617 1003107 1033669 1057329 1189011 1329003 1862913 2774359 3009321 3101007 3567033 4346797 5152381 5588739 8323077 9303021 13040391 14664469 15457143 24969231 36066667 39121173 43993407 46371429 102651283 108200001 131980221 190638097 307953849 324600003 571914291 923861547 1334466679 1715742873 4003400037 12010200111