Search a number
-
+
12233211210 = 23251137337991
BaseRepresentation
bin10110110010010011…
…11111110101001010
31011120112221111222200
423121021333311022
5200023200224320
65341520101030
7612102402543
oct133111776512
934515844880
1012233211210
115208368710
122454a64776
1311cc57961c
148409a74ca
154b8e8a290
hex2d927fd4a

12233211210 has 192 divisors, whose sum is σ = 35777424384. Its totient is φ = 2874009600.

The previous prime is 12233211209. The next prime is 12233211257. The reversal of 12233211210 is 1211233221.

12233211210 is a `hidden beast` number, since 1 + 223 + 321 + 121 + 0 = 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 95 ways as a sum of consecutive naturals, for example, 12343815 + ... + 12344805.

It is an arithmetic number, because the mean of its divisors is an integer number (186340752).

Almost surely, 212233211210 is an apocalyptic number.

12233211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12233211210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17888712192).

12233211210 is an abundant number, since it is smaller than the sum of its proper divisors (23544213174).

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

12233211210 is a wasteful number, since it uses less digits than its factorization.

12233211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12233211210 its reverse (1211233221), we get a palindrome (13444444431).

The spelling of 12233211210 in words is "twelve billion, two hundred thirty-three million, two hundred eleven thousand, two hundred ten".