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12210312002 = 27872165143
BaseRepresentation
bin10110101111100101…
…01001001101000010
31011111221212010011212
423113302221031002
5200001314441002
65335341210122
7611403640160
oct132762511502
934457763155
1012210312002
1151a6448149
122449260942
1311c78bc6b5
1483b926230
154b6e65352
hex2d7ca9342

12210312002 has 8 divisors (see below), whose sum is σ = 20931963456. Its totient is φ = 5232990852.

The previous prime is 12210312001. The next prime is 12210312011. The reversal of 12210312002 is 20021301221.

It is a happy number.

12210312002 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.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 872165143 = 12210312002 / (1 + 2 + 2 + 1 + 0 + 3 + 1 + 2 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (12210312001) 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, 436082558 + ... + 436082585.

It is an arithmetic number, because the mean of its divisors is an integer number (2616495432).

Almost surely, 212210312002 is an apocalyptic number.

12210312002 is a deficient number, since it is larger than the sum of its proper divisors (8721651454).

12210312002 is an equidigital number, since it uses as much as digits as its factorization.

12210312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872165152.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12210312002 its reverse (20021301221), we get a palindrome (32231613223).

The spelling of 12210312002 in words is "twelve billion, two hundred ten million, three hundred twelve thousand, two".

Divisors: 1 2 7 14 872165143 1744330286 6105156001 12210312002