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12102210222 = 2311171805761
BaseRepresentation
bin10110100010101100…
…10001001010101110
31011020102102222102020
423101112101022232
5144241131211342
65320520211010
7605622042504
oct132126211256
934212388366
1012102210222
115150422733
122419009a66
1311ab3a034b
1482b426674
154ac7100ec
hex2d15912ae

12102210222 has 16 divisors (see below), whose sum is σ = 24226102992. Its totient is φ = 4030456320.

The previous prime is 12102210221. The next prime is 12102210233. The reversal of 12102210222 is 22201220121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102210221) 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, 896179 + ... + 909582.

It is an arithmetic number, because the mean of its divisors is an integer number (1514131437).

Almost surely, 212102210222 is an apocalyptic number.

12102210222 is an abundant number, since it is smaller than the sum of its proper divisors (12123892770).

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

12102210222 is a wasteful number, since it uses less digits than its factorization.

12102210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806883.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12102210222 its reverse (22201220121), we get a palindrome (34303430343).

The spelling of 12102210222 in words is "twelve billion, one hundred two million, two hundred ten thousand, two hundred twenty-two".

Divisors: 1 2 3 6 1117 2234 3351 6702 1805761 3611522 5417283 10834566 2017035037 4034070074 6051105111 12102210222