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12000032221321 = 173157139878213
BaseRepresentation
bin1010111010011111100110…
…1010000110100010001001
31120111012011212201010010201
42232213321222012202021
53033102031222040241
641304423320412201
72345654661622144
oct256477152064211
946435155633121
1012000032221321
1139072043921a1
12141982a617061
136907a1291961
142d6b39da905b
1515c235b87931
hexae9f9a86889

12000032221321 has 16 divisors (see below), whose sum is σ = 13138754923008. Its totient is φ = 10910678803200.

The previous prime is 12000032221301. The next prime is 12000032221363. The reversal of 12000032221321 is 12312223000021.

12000032221321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12000032221321 - 27 = 12000032221193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12000032221301) 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, 19638190 + ... + 20240023.

It is an arithmetic number, because the mean of its divisors is an integer number (821172182688).

Almost surely, 212000032221321 is an apocalyptic number.

It is an amenable number.

12000032221321 is a deficient number, since it is larger than the sum of its proper divisors (1138722701687).

12000032221321 is a wasteful number, since it uses less digits than its factorization.

12000032221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39878832.

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

Adding to 12000032221321 its reverse (12312223000021), we get a palindrome (24312255221342).

The spelling of 12000032221321 in words is "twelve trillion, thirty-two million, two hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 17 31 527 571 9707 17701 300917 39878213 677929621 1236224603 21015818251 22770459623 387097813591 705884248313 12000032221321