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12002223311 = 13923247947
BaseRepresentation
bin10110010110110001…
…10110010011001111
31010222110022010011022
423023120312103033
5144040032121221
65302545144355
7603266133461
oct131330662317
933873263138
1012002223311
1150a9a40021
1223ab62b0bb
1311937627b0
1481c03a131
154a3a5e4ab
hex2cb6364cf

12002223311 has 4 divisors (see below), whose sum is σ = 12925471272. Its totient is φ = 11078975352.

The previous prime is 12002223229. The next prime is 12002223313. The reversal of 12002223311 is 11332220021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11332220021 = 17389651689.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12002223311 is a prime.

It is a super-2 number, since 2×120022233112 (a number of 21 digits) contains 22 as substring.

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 12002223311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002223313) 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 3 ways as a sum of consecutive naturals, for example, 461623961 + ... + 461623986.

It is an arithmetic number, because the mean of its divisors is an integer number (3231367818).

Almost surely, 212002223311 is an apocalyptic number.

12002223311 is a deficient number, since it is larger than the sum of its proper divisors (923247961).

12002223311 is an equidigital number, since it uses as much as digits as its factorization.

12002223311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923247960.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12002223311 its reverse (11332220021), we get a palindrome (23334443332).

The spelling of 12002223311 in words is "twelve billion, two million, two hundred twenty-three thousand, three hundred eleven".

Divisors: 1 13 923247947 12002223311