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12225431002 = 231197184371
BaseRepresentation
bin10110110001011000…
…10100010111011010
31011120000022020112211
423120230110113122
5200014202243002
65341041225334
7611646306661
oct133054242732
934500266484
1012225431002
115203a34294
12245233224a
1311caa84255
1483d93ddd8
154b844edd7
hex2d8b145da

12225431002 has 8 divisors (see below), whose sum is σ = 18929699712. Its totient is φ = 5915531100.

The previous prime is 12225430979. The next prime is 12225431021. The reversal of 12225431002 is 20013452221.

It is a happy number.

12225431002 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 super-2 number, since 2×122254310022 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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, 98592124 + ... + 98592247.

It is an arithmetic number, because the mean of its divisors is an integer number (2366212464).

Almost surely, 212225431002 is an apocalyptic number.

12225431002 is a deficient number, since it is larger than the sum of its proper divisors (6704268710).

12225431002 is a wasteful number, since it uses less digits than its factorization.

12225431002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197184404.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 12225431002 its reverse (20013452221), we get a palindrome (32238883223).

The spelling of 12225431002 in words is "twelve billion, two hundred twenty-five million, four hundred thirty-one thousand, two".

Divisors: 1 2 31 62 197184371 394368742 6112715501 12225431002