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12022221010 = 251202222101
BaseRepresentation
bin10110011001001010…
…01000100011010010
31011000211221002211211
423030211020203102
5144110142033020
65304541530334
7603631123012
oct131445104322
934024832754
1012022221010
11510a259648
1223b62739aa
131197944b57
14820963c42
154a56ae85a
hex2cc9488d2

12022221010 has 8 divisors (see below), whose sum is σ = 21639997836. Its totient is φ = 4808888400.

The previous prime is 12022220993. The next prime is 12022221019. The reversal of 12022221010 is 1012222021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11775071169 + 247149841 = 108513^2 + 15721^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12022221019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601111041 + ... + 601111060.

Almost surely, 212022221010 is an apocalyptic number.

12022221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12022221010 is a deficient number, since it is larger than the sum of its proper divisors (9617776826).

12022221010 is a wasteful number, since it uses less digits than its factorization.

12022221010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202222108.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12022221010 its reverse (1012222021), we get a palindrome (13034443031).

The spelling of 12022221010 in words is "twelve billion, twenty-two million, two hundred twenty-one thousand, ten".

Divisors: 1 2 5 10 1202222101 2404444202 6011110505 12022221010