Search a number
-
+
12011102020110 = 235478518512071
BaseRepresentation
bin1010111011001000110101…
…1110000010001000001110
31120112020202100111011022110
42232302031132002020032
53033242214104120420
641313454000524450
72346526206433044
oct256621536021016
946466670434273
1012011102020110
113910974a63936
12141b9b9920726
136918467b735b
142d74aa248394
1515c682912ee0
hexaec8d78220e

12011102020110 has 32 divisors (see below), whose sum is σ = 29439977720832. Its totient is φ = 3134812441760.

The previous prime is 12011102020081. The next prime is 12011102020117. The reversal of 12011102020110 is 1102020111021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011102020117) 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, 4259254626 + ... + 4259257445.

It is an arithmetic number, because the mean of its divisors is an integer number (919999303776).

Almost surely, 212011102020110 is an apocalyptic number.

12011102020110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011102020110 is an abundant number, since it is smaller than the sum of its proper divisors (17428875700722).

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

12011102020110 is a wasteful number, since it uses less digits than its factorization.

12011102020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8518512128.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12011102020110 its reverse (1102020111021), we get a palindrome (13113122131131).

The spelling of 12011102020110 in words is "twelve trillion, eleven billion, one hundred two million, twenty thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 8518512071 17037024142 25555536213 42592560355 51111072426 85185120710 127777681065 255555362130 400370067337 800740134674 1201110202011 2001850336685 2402220404022 4003700673370 6005551010055 12011102020110