Search a number
-
+
12212323210 = 253158016791
BaseRepresentation
bin10110101111110100…
…10100001110001010
31011112002122022001001
423113322110032022
5200002323320320
65335452245214
7611430014563
oct132772241612
934462568031
1012212323210
1151a75a11aa
122449a7080a
1311c8144c69
1483bccb16a
154b721120a
hex2d7e9438a

12212323210 has 32 divisors (see below), whose sum is σ = 22698537984. Its totient is φ = 4725840000.

The previous prime is 12212323187. The next prime is 12212323213. The reversal of 12212323210 is 1232321221.

It is a super-3 number, since 3×122123232103 (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12212323213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1794915 + ... + 1801705.

It is an arithmetic number, because the mean of its divisors is an integer number (709329312).

Almost surely, 212212323210 is an apocalyptic number.

12212323210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212323210 is a deficient number, since it is larger than the sum of its proper divisors (10486214774).

12212323210 is a wasteful number, since it uses less digits than its factorization.

12212323210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12630.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12212323210 its reverse (1232321221), we get a palindrome (13444644431).

The spelling of 12212323210 in words is "twelve billion, two hundred twelve million, three hundred twenty-three thousand, two hundred ten".

Divisors: 1 2 5 10 31 62 155 310 5801 6791 11602 13582 29005 33955 58010 67910 179831 210521 359662 421042 899155 1052605 1798310 2105210 39394591 78789182 196972955 393945910 1221232321 2442464642 6106161605 12212323210