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12213003331 = 19987165119
BaseRepresentation
bin10110101111111001…
…11010010001000011
31011112010220211222201
423113330322101003
5200003012101311
65335515014031
7611435546464
oct132774722103
934463824881
1012213003331
1151a7a16191
12244a13a317
1311c83226b9
1483c026d6b
154b72e79c1
hex2d7f3a443

12213003331 has 8 divisors (see below), whose sum is σ = 12857292800. Its totient is φ = 11568863880.

The previous prime is 12213003329. The next prime is 12213003349. The reversal of 12213003331 is 13330031221.

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

It is a cyclic number.

It is not a de Polignac number, because 12213003331 - 21 = 12213003329 is a prime.

It is a super-2 number, since 2×122130033312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12213003299 and 12213003308.

It is not an unprimeable number, because it can be changed into a prime (12213003311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154990 + ... + 220108.

It is an arithmetic number, because the mean of its divisors is an integer number (1607161600).

Almost surely, 212213003331 is an apocalyptic number.

12213003331 is a deficient number, since it is larger than the sum of its proper divisors (644289469).

12213003331 is an equidigital number, since it uses as much as digits as its factorization.

12213003331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75009.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12213003331 its reverse (13330031221), we get a palindrome (25543034552).

The spelling of 12213003331 in words is "twelve billion, two hundred thirteen million, three thousand, three hundred thirty-one".

Divisors: 1 19 9871 65119 187549 1237261 642789649 12213003331