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12211130310 = 235407037677
BaseRepresentation
bin10110101111101011…
…10000111111000110
31011112000101200200120
423113311300333012
5200002022132220
65335410522410
7611413616001
oct132765607706
934460350616
1012211130310
1151a6956a35
122449596406
1311c7b17cc2
1483ba9a538
154b7077a40
hex2d7d70fc6

12211130310 has 16 divisors (see below), whose sum is σ = 29306712816. Its totient is φ = 3256301408.

The previous prime is 12211130293. The next prime is 12211130317. The reversal of 12211130310 is 1303111221.

It is a happy number.

It is a super-2 number, since 2×122111303102 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12211130310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211130317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203518809 + ... + 203518868.

It is an arithmetic number, because the mean of its divisors is an integer number (1831669551).

Almost surely, 212211130310 is an apocalyptic number.

12211130310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211130310 is an abundant number, since it is smaller than the sum of its proper divisors (17095582506).

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

12211130310 is a wasteful number, since it uses less digits than its factorization.

12211130310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407037687.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 12211130310 its reverse (1303111221), we get a palindrome (13514241531).

The spelling of 12211130310 in words is "twelve billion, two hundred eleven million, one hundred thirty thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 407037677 814075354 1221113031 2035188385 2442226062 4070376770 6105565155 12211130310