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12200034021 = 37580954001
BaseRepresentation
bin10110101110010110…
…11011111011100101
31011111020111221102220
423113023123323211
5144441202042041
65334333022553
7611220402210
oct132713337345
934436457386
1012200034021
1151a066814a
122445924a59
1311c5731456
1483a40c777
154b60d4d66
hex2d72dbee5

12200034021 has 8 divisors (see below), whose sum is σ = 18590528064. Its totient is φ = 6971448000.

The previous prime is 12200034019. The next prime is 12200034023. The reversal of 12200034021 is 12043000221.

It is an interprime number because it is at equal distance from previous prime (12200034019) and next prime (12200034023).

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

It is not a de Polignac number, because 12200034021 - 21 = 12200034019 is a prime.

It is a super-2 number, since 2×122000340212 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200034023) 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, 290476980 + ... + 290477021.

It is an arithmetic number, because the mean of its divisors is an integer number (2323816008).

Almost surely, 212200034021 is an apocalyptic number.

It is an amenable number.

12200034021 is a deficient number, since it is larger than the sum of its proper divisors (6390494043).

12200034021 is an equidigital number, since it uses as much as digits as its factorization.

12200034021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580954011.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12200034021 its reverse (12043000221), we get a palindrome (24243034242).

The spelling of 12200034021 in words is "twelve billion, two hundred million, thirty-four thousand, twenty-one".

Divisors: 1 3 7 21 580954001 1742862003 4066678007 12200034021