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BaseRepresentation
bin10110010111101110…
…10111001010001110
31011000000100111121021
423023313113022032
5144044104102342
65303432424354
7603424130065
oct131367271216
934000314537
1012010222222
115103503799
1223b22480ba
13119530358b
1481d11d1dc
154a45de567
hex2cbdd728e

12010222222 has 16 divisors (see below), whose sum is σ = 18077994720. Its totient is φ = 5984247808.

The previous prime is 12010222219. The next prime is 12010222243. The reversal of 12010222222 is 22222201021.

12010222222 is a modest number, since divided by 222222 gives 12010 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 12010222196 and 12010222205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213518 + ... + 1223374.

It is an arithmetic number, because the mean of its divisors is an integer number (1129874670).

Almost surely, 212010222222 is an apocalyptic number.

12010222222 is a deficient number, since it is larger than the sum of its proper divisors (6067772498).

12010222222 is a wasteful number, since it uses less digits than its factorization.

12010222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11915.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12010222222 its reverse (22222201021), we get a palindrome (34232423243).

The spelling of 12010222222 in words is "twelve billion, ten million, two hundred twenty-two thousand, two hundred twenty-two".