Search a number
-
+
12122220020202 = 2325698831340407
BaseRepresentation
bin1011000001100110110010…
…0111100100000111101010
31120220212120100121102111100
42300121230213210013222
53042102301311121302
641440512045142230
72360541625026015
oct260315447440752
946825510542440
1012122220020202
1139540061a2a66
12143944ab5a976
1369c1747c7c76
142dca0bad437c
151604d7c49d1c
hexb066c9e41ea

12122220020202 has 48 divisors (see below), whose sum is σ = 26340786538560. Its totient is φ = 4029067417536.

The previous prime is 12122220020191. The next prime is 12122220020227. The reversal of 12122220020202 is 20202002222121.

12122220020202 is a `hidden beast` number, since 1 + 21 + 222 + 200 + 20 + 202 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8373483 + ... + 9713889.

It is an arithmetic number, because the mean of its divisors is an integer number (548766386220).

Almost surely, 212122220020202 is an apocalyptic number.

12122220020202 is an abundant number, since it is smaller than the sum of its proper divisors (14218566518358).

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

12122220020202 is a wasteful number, since it uses less digits than its factorization.

12122220020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341867 (or 1341864 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 12122220020202 its reverse (20202002222121), we get a palindrome (32324222242323).

The spelling of 12122220020202 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty million, twenty thousand, two hundred two".

Divisors: 1 2 3 6 9 18 569 883 1138 1707 1766 2649 3414 5121 5298 7947 10242 15894 502427 1004854 1340407 1507281 2680814 3014562 4021221 4521843 8042442 9043686 12063663 24127326 762691583 1183579381 1525383166 2288074749 2367158762 3550738143 4576149498 6864224247 7101476286 10652214429 13728448494 21304428858 673456667789 1346913335578 2020370003367 4040740006734 6061110010101 12122220020202