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12020001222 = 232003333537
BaseRepresentation
bin10110011000111001…
…01010100111000110
31011000200202022212110
423030130222213012
5144104110014342
65304422201450
7603603216225
oct131434524706
934020668773
1012020001222
115108a82909
1223b5583286
131197348678
14820546cbc
154a53c1c9c
hex2cc72a9c6

12020001222 has 8 divisors (see below), whose sum is σ = 24040002456. Its totient is φ = 4006667072.

The previous prime is 12020001221. The next prime is 12020001251. The reversal of 12020001222 is 22210002021.

12020001222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

12020001222 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12020001198 and 12020001207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020001221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1001666763 + ... + 1001666774.

It is an arithmetic number, because the mean of its divisors is an integer number (3005000307).

Almost surely, 212020001222 is an apocalyptic number.

12020001222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12020001222 is a wasteful number, since it uses less digits than its factorization.

12020001222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003333542.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12020001222 its reverse (22210002021), we get a palindrome (34230003243).

The spelling of 12020001222 in words is "twelve billion, twenty million, one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 2003333537 4006667074 6010000611 12020001222