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12022122100 = 2252120221221
BaseRepresentation
bin10110011001001001…
…10000011001110100
31011000211202002011111
423030210300121310
5144110130401400
65304535444404
7603630231442
oct131444603164
934024662144
1012022122100
11510a1a12aa
1223b6226704
13119790bb21
14820939b92
154a56903ba
hex2cc930674

12022122100 has 18 divisors (see below), whose sum is σ = 26088005174. Its totient is φ = 4808848800.

The previous prime is 12022122089. The next prime is 12022122113. The reversal of 12022122100 is 122122021.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 115820644 + 11906301456 = 10762^2 + 109116^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60110511 + ... + 60110710.

Almost surely, 212022122100 is an apocalyptic number.

12022122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12022122100 is an abundant number, since it is smaller than the sum of its proper divisors (14065883074).

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

12022122100 is a wasteful number, since it uses less digits than its factorization.

12022122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120221235 (or 120221228 counting only the distinct ones).

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

Adding to 12022122100 its reverse (122122021), we get a palindrome (12144244121).

The spelling of 12022122100 in words is "twelve billion, twenty-two million, one hundred twenty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 120221221 240442442 480884884 601106105 1202212210 2404424420 3005530525 6011061050 12022122100