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12110222010 = 2354311817949
BaseRepresentation
bin10110100011101001…
…10101001010111010
31011020222112000112010
423101310311022322
5144300204101020
65321404030350
7606050121465
oct132164651272
934228460463
1012110222010
1151549a5047
12241b8323b6
1311acc46c53
1482c5102dc
154ad293de0
hex2d1d352ba

12110222010 has 64 divisors (see below), whose sum is σ = 29769379200. Its totient is φ = 3151223040.

The previous prime is 12110221979. The next prime is 12110222011. The reversal of 12110222010 is 1022201121.

It is not an unprimeable number, because it can be changed into a prime (12110222011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1519516 + ... + 1527464.

It is an arithmetic number, because the mean of its divisors is an integer number (465146550).

Almost surely, 212110222010 is an apocalyptic number.

12110222010 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 12110222010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14884689600).

12110222010 is an abundant number, since it is smaller than the sum of its proper divisors (17659157190).

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

12110222010 is a wasteful number, since it uses less digits than its factorization.

12110222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9183.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12110222010 its reverse (1022201121), we get a palindrome (13132423131).

The spelling of 12110222010 in words is "twelve billion, one hundred ten million, two hundred twenty-two thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 43 86 129 215 258 430 645 1181 1290 2362 3543 5905 7086 7949 11810 15898 17715 23847 35430 39745 47694 50783 79490 101566 119235 152349 238470 253915 304698 341807 507830 683614 761745 1025421 1523490 1709035 2050842 3418070 5127105 9387769 10254210 18775538 28163307 46938845 56326614 93877690 140816535 281633070 403674067 807348134 1211022201 2018370335 2422044402 4036740670 6055111005 12110222010