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12200241021 = 34499057343
BaseRepresentation
bin10110101110011000…
…01110011101111101
31011111020220110101120
423113030032131331
5144441230203041
65334341301153
7611222223543
oct132714163575
934436813346
1012200241021
1151a0799721
122445a047b9
1311c57a4737
1483a463d93
154b6126366
hex2d730e77d

12200241021 has 8 divisors (see below), whose sum is σ = 16303219200. Its totient is φ = 8115378432.

The previous prime is 12200241017. The next prime is 12200241037. The reversal of 12200241021 is 12014200221.

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

It is not a de Polignac number, because 12200241021 - 22 = 12200241017 is a prime.

It is a super-2 number, since 2×122002410212 (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 (12200241061) 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, 4527325 + ... + 4530018.

It is an arithmetic number, because the mean of its divisors is an integer number (2037902400).

Almost surely, 212200241021 is an apocalyptic number.

It is an amenable number.

12200241021 is a deficient number, since it is larger than the sum of its proper divisors (4102978179).

12200241021 is an equidigital number, since it uses as much as digits as its factorization.

12200241021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9057795.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12200241021 its reverse (12014200221), we get a palindrome (24214441242).

The spelling of 12200241021 in words is "twelve billion, two hundred million, two hundred forty-one thousand, twenty-one".

Divisors: 1 3 449 1347 9057343 27172029 4066747007 12200241021