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12222031210 = 2510112101021
BaseRepresentation
bin10110110000111110…
…10110010101101010
31011112202220111220121
423120133112111222
5200012314444320
65340440313454
7611605360024
oct133037262552
934482814817
1012222031210
115202021a44
12245117288a
1311ca16393c
1483d2d7014
154b7ecc8aa
hex2d87d656a

12222031210 has 16 divisors (see below), whose sum is σ = 22217476392. Its totient is φ = 4840408000.

The previous prime is 12222031207. The next prime is 12222031229. The reversal of 12222031210 is 1213022221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12043087081 + 178944129 = 109741^2 + 13377^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6049501 + ... + 6051520.

Almost surely, 212222031210 is an apocalyptic number.

12222031210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222031210 is a deficient number, since it is larger than the sum of its proper divisors (9995445182).

12222031210 is a wasteful number, since it uses less digits than its factorization.

12222031210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12101129.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12222031210 its reverse (1213022221), we get a palindrome (13435053431).

The spelling of 12222031210 in words is "twelve billion, two hundred twenty-two million, thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 101 202 505 1010 12101021 24202042 60505105 121010210 1222203121 2444406242 6111015605 12222031210