Search a number
-
+
12121013333130 = 2351331079521367
BaseRepresentation
bin1011000001100010010010…
…1100011010110010001010
31120220202110021000101000120
42300120210230122302022
53042042313403130010
641440152221444110
72360500003246632
oct260304454326212
946822407011016
1012121013333130
11395354703a119
121439172a10636
1369c011801b50
142dc9357436c2
15160466d3ce70
hexb0624b1ac8a

12121013333130 has 32 divisors (see below), whose sum is σ = 31328157538944. Its totient is φ = 2983634051136.

The previous prime is 12121013333063. The next prime is 12121013333153. The reversal of 12121013333130 is 3133331012121.

It is a self number, because there is not a number n which added to its sum of digits gives 12121013333130.

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, 15539760294 + ... + 15539761073.

It is an arithmetic number, because the mean of its divisors is an integer number (979004923092).

Almost surely, 212121013333130 is an apocalyptic number.

12121013333130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121013333130 is an abundant number, since it is smaller than the sum of its proper divisors (19207144205814).

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

12121013333130 is a wasteful number, since it uses less digits than its factorization.

12121013333130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31079521390.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 12121013333130 its reverse (3133331012121), we get a palindrome (15254344345251).

The spelling of 12121013333130 in words is "twelve trillion, one hundred twenty-one billion, thirteen million, three hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 78 130 195 390 31079521367 62159042734 93238564101 155397606835 186477128202 310795213670 404033777771 466192820505 808067555542 932385641010 1212101333313 2020168888855 2424202666626 4040337777710 6060506666565 12121013333130