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12203132021213 = 72249043510637
BaseRepresentation
bin1011000110010100001101…
…0110010110100111011101
31121012121102020210221200112
42301211003112112213131
53044414003244134323
641542012542135405
72366434662501500
oct261450326264735
947177366727615
1012203132021213
113985356988991
121451070281565
136a699a868a43
143028c5a31137
15162671316178
hexb19435969dd

12203132021213 has 6 divisors (see below), whose sum is σ = 14195480106366. Its totient is φ = 10459827446712.

The previous prime is 12203132021167. The next prime is 12203132021221. The reversal of 12203132021213 is 31212023130221.

It can be written as a sum of positive squares in only one way, i.e., 10965780577444 + 1237351443769 = 3311462^2 + 1112363^2 .

It is not a de Polignac number, because 12203132021213 - 218 = 12203131759069 is a prime.

It is a super-2 number, since 2×122031320212132 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203132021513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124521755270 + ... + 124521755367.

It is an arithmetic number, because the mean of its divisors is an integer number (2365913351061).

Almost surely, 212203132021213 is an apocalyptic number.

It is an amenable number.

12203132021213 is a deficient number, since it is larger than the sum of its proper divisors (1992348085153).

12203132021213 is an equidigital number, since it uses as much as digits as its factorization.

12203132021213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249043510651 (or 249043510644 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12203132021213 its reverse (31212023130221), we get a palindrome (43415155151434).

The spelling of 12203132021213 in words is "twelve trillion, two hundred three billion, one hundred thirty-two million, twenty-one thousand, two hundred thirteen".

Divisors: 1 7 49 249043510637 1743304574459 12203132021213