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12221401033 = 31961341011
BaseRepresentation
bin10110110000111001…
…11100011111001001
31011112201201111110201
423120130330133021
5200012134313113
65340415012201
7611600123542
oct133034743711
934481644421
1012221401033
115201731536
122450b0a061
1311c9ca2b5a
1483d1b14c9
154b7e05cdd
hex2d873c7c9

12221401033 has 8 divisors (see below), whose sum is σ = 12617259776. Its totient is φ = 11825643600.

The previous prime is 12221401013. The next prime is 12221401043. The reversal of 12221401033 is 33010412221.

It is a happy number.

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 12221401033 - 25 = 12221401001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12221401033.

It is not an unprimeable number, because it can be changed into a prime (12221401013) 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, 277498 + ... + 318508.

It is an arithmetic number, because the mean of its divisors is an integer number (1577157472).

Almost surely, 212221401033 is an apocalyptic number.

It is an amenable number.

12221401033 is a deficient number, since it is larger than the sum of its proper divisors (395858743).

12221401033 is an equidigital number, since it uses as much as digits as its factorization.

12221401033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50655.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12221401033 its reverse (33010412221), we get a palindrome (45231813254).

The spelling of 12221401033 in words is "twelve billion, two hundred twenty-one million, four hundred one thousand, thirty-three".

Divisors: 1 31 9613 41011 298003 1271341 394238743 12221401033