Search a number
-
+
12012111020210 = 257527573252679
BaseRepresentation
bin1010111011001100100110…
…0111000100000010110010
31120112100100200002200020112
42232303021213010002302
53033301300410121320
641314142043141322
72346563211000230
oct256631147040262
946470320080215
1012012111020210
113911342574614
12142003b814842
13691977855c32
142d7564259950
1515c6e12c0ec5
hexaecc99c40b2

12012111020210 has 32 divisors (see below), whose sum is σ = 24711104367360. Its totient is φ = 4118358733632.

The previous prime is 12012111020123. The next prime is 12012111020233. The reversal of 12012111020210 is 1202011121021.

It is a super-2 number, since 2×120121110202102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2066651 + ... + 5319329.

It is an arithmetic number, because the mean of its divisors is an integer number (772222011480).

Almost surely, 212012111020210 is an apocalyptic number.

12012111020210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012111020210 is an abundant number, since it is smaller than the sum of its proper divisors (12698993347150).

12012111020210 is a wasteful number, since it uses less digits than its factorization.

12012111020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305450.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 12012111020210 its reverse (1202011121021), we get a palindrome (13214122141231).

The spelling of 12012111020210 in words is "twelve trillion, twelve billion, one hundred eleven million, twenty thousand, two hundred ten".

Divisors: 1 2 5 7 10 14 35 70 52757 105514 263785 369299 527570 738598 1846495 3252679 3692990 6505358 16263395 22768753 32526790 45537506 113843765 227687530 171601586003 343203172006 858007930015 1201211102021 1716015860030 2402422204042 6006055510105 12012111020210