Search a number
-
+
12200101210 = 25111917932611
BaseRepresentation
bin10110101110010111…
…01100010101011010
31011111020122100121101
423113023230111122
5144441211214320
65334334302014
7611221102123
oct132713542532
934436570541
1012200101210
1151a0703680
12244595790a
1311c5755bcb
1483a42904a
154b60e9c0a
hex2d72ec55a

12200101210 has 64 divisors (see below), whose sum is σ = 25359091200. Its totient is φ = 4179297600.

The previous prime is 12200101189. The next prime is 12200101283. The reversal of 12200101210 is 1210100221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357805 + ... + 390415.

It is an arithmetic number, because the mean of its divisors is an integer number (396235800).

Almost surely, 212200101210 is an apocalyptic number.

12200101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12200101210 is an abundant number, since it is smaller than the sum of its proper divisors (13158989990).

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

12200101210 is a wasteful number, since it uses less digits than its factorization.

12200101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32827.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12200101210 its reverse (1210100221), we get a palindrome (13410201431).

The spelling of 12200101210 in words is "twelve billion, two hundred million, one hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 11 19 22 38 55 95 110 179 190 209 358 418 895 1045 1790 1969 2090 3401 3938 6802 9845 17005 19690 32611 34010 37411 65222 74822 163055 187055 326110 358721 374110 619609 717442 1239218 1793605 3098045 3587210 5837369 6196090 6815699 11674738 13631398 29186845 34078495 58373690 64211059 68156990 110910011 128422118 221820022 321055295 554550055 642110590 1109100110 1220010121 2440020242 6100050605 12200101210