Search a number
-
+
12122102122010 = 259503291275569
BaseRepresentation
bin1011000001100110010110…
…0101110100011000011010
31120220212021010202120120122
42300121211211310120122
53042102031120401020
641440452234153242
72360535663640346
oct260314545643032
946825233676518
1012122102122010
113953a55697341
121439417582822
1369c15625891a
142dc9da1a4626
151604cc70c125
hexb066597461a

12122102122010 has 16 divisors (see below), whose sum is σ = 21819823885800. Its totient is φ = 4848831945216.

The previous prime is 12122102122007. The next prime is 12122102122063. The reversal of 12122102122010 is 1022120122121.

It can be written as a sum of positive squares in 4 ways, for example, as 9250436351209 + 2871665770801 = 3041453^2 + 1694599^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12122102122010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8865506 + ... + 10141074.

Almost surely, 212122102122010 is an apocalyptic number.

12122102122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12122102122010 is a deficient number, since it is larger than the sum of its proper divisors (9697721763790).

12122102122010 is a wasteful number, since it uses less digits than its factorization.

12122102122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225905.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12122102122010 its reverse (1022120122121), we get a palindrome (13144222244131).

The spelling of 12122102122010 in words is "twelve trillion, one hundred twenty-two billion, one hundred two million, one hundred twenty-two thousand, ten".

Divisors: 1 2 5 10 950329 1275569 1900658 2551138 4751645 6377845 9503290 12755690 1212210212201 2424420424402 6061051061005 12122102122010