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12233244421 = 17838669911
BaseRepresentation
bin10110110010010100…
…00111111100000101
31011120120000012112201
423121022013330011
5200023202310141
65341520514501
7612102601426
oct133112077405
934516005481
1012233244421
115208390662
122454a7ba31
1311cc58b788
148409b564d
154b8e95031
hex2d9287f05

12233244421 has 8 divisors (see below), whose sum is σ = 13108906944. Its totient is φ = 11374921920.

The previous prime is 12233244391. The next prime is 12233244433. The reversal of 12233244421 is 12444233221.

12233244421 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 cyclic number.

It is not a de Polignac number, because 12233244421 - 29 = 12233243909 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 12233244421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233244481) 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 7 ways as a sum of consecutive naturals, for example, 4333545 + ... + 4336366.

It is an arithmetic number, because the mean of its divisors is an integer number (1638613368).

Almost surely, 212233244421 is an apocalyptic number.

It is an amenable number.

12233244421 is a deficient number, since it is larger than the sum of its proper divisors (875662523).

12233244421 is an equidigital number, since it uses as much as digits as its factorization.

12233244421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8670011.

The product of its digits is 9216, while the sum is 28.

Adding to 12233244421 its reverse (12444233221), we get a palindrome (24677477642).

It can be divided in two parts, 122332 and 44421, that added together give a triangular number (166753 = T577).

The spelling of 12233244421 in words is "twelve billion, two hundred thirty-three million, two hundred forty-four thousand, four hundred twenty-one".

Divisors: 1 17 83 1411 8669911 147388487 719602613 12233244421