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12223220010 = 235735581379
BaseRepresentation
bin10110110001000111…
…11000100100101010
31011112212010220122020
423120203320210222
5200013121020020
65340522005310
7611621440641
oct133043704452
934485126566
1012223220010
115202764121
122451646836
1311ca48ba81
1483d526358
154b8164c40
hex2d88f892a

12223220010 has 32 divisors (see below), whose sum is σ = 29737592640. Its totient is φ = 3214873728.

The previous prime is 12223220003. The next prime is 12223220041. The reversal of 12223220010 is 1002232221.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2788500 + ... + 2792879.

It is an arithmetic number, because the mean of its divisors is an integer number (929299770).

Almost surely, 212223220010 is an apocalyptic number.

12223220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12223220010 is an abundant number, since it is smaller than the sum of its proper divisors (17514372630).

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

12223220010 is a wasteful number, since it uses less digits than its factorization.

12223220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581462.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12223220010 its reverse (1002232221), we get a palindrome (13225452231).

The spelling of 12223220010 in words is "twelve billion, two hundred twenty-three million, two hundred twenty thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 730 1095 2190 5581379 11162758 16744137 27906895 33488274 55813790 83720685 167441370 407440667 814881334 1222322001 2037203335 2444644002 4074406670 6111610005 12223220010