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12203213302221 = 349912016787493
BaseRepresentation
bin1011000110010100100000…
…1100011010100111001101
31121012121121220202110021020
42301211020030122213031
53044414140101132341
641542025004224353
72366440000411404
oct261451014324715
947177556673236
1012203213302221
113985398854577
12145109353b0b9
136a69b1657206
143028d274c63b
1516267851e566
hexb194831a9cd

12203213302221 has 16 divisors (see below), whose sum is σ = 16317135576000. Its totient is φ = 8112410438400.

The previous prime is 12203213302219. The next prime is 12203213302229. The reversal of 12203213302221 is 12220331230221.

It is not a de Polignac number, because 12203213302221 - 21 = 12203213302219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12203213302191 and 12203213302200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12203213302229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1595850 + ... + 5191643.

It is an arithmetic number, because the mean of its divisors is an integer number (1019820973500).

Almost surely, 212203213302221 is an apocalyptic number.

It is an amenable number.

12203213302221 is a deficient number, since it is larger than the sum of its proper divisors (4113922273779).

12203213302221 is a wasteful number, since it uses less digits than its factorization.

12203213302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6789196.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12203213302221 its reverse (12220331230221), we get a palindrome (24423544532442).

The spelling of 12203213302221 in words is "twelve trillion, two hundred three billion, two hundred thirteen million, three hundred two thousand, two hundred twenty-one".

Divisors: 1 3 499 1201 1497 3603 599299 1797897 6787493 20362479 3386959007 8151779093 10160877021 24455337279 4067737767407 12203213302221