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120032320221 = 32111212447679
BaseRepresentation
bin110111111001001111…
…0111101101011011101
3102110211020222122111200
41233302132331223131
53431311233221341
6131050405110113
711446340613312
oct1576236755335
9373736878450
10120032320221
11469a612a850
121b31a6b8339
13b41bac2468
145b4975ad09
1531c7c3bdb6
hex1bf27bdadd

120032320221 has 12 divisors (see below), whose sum is σ = 189141838080. Its totient is φ = 72746860680.

The previous prime is 120032320211. The next prime is 120032320301. The reversal of 120032320221 is 122023230021.

120032320221 is a `hidden beast` number, since 120 + 0 + 3 + 2 + 320 + 221 = 666.

It is not a de Polignac number, because 120032320221 - 217 = 120032189149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120032320194 and 120032320203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120032320211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606223741 + ... + 606223938.

It is an arithmetic number, because the mean of its divisors is an integer number (15761819840).

Almost surely, 2120032320221 is an apocalyptic number.

120032320221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120032320221 is a deficient number, since it is larger than the sum of its proper divisors (69109517859).

120032320221 is a wasteful number, since it uses less digits than its factorization.

120032320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212447696 (or 1212447693 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 120032320221 its reverse (122023230021), we get a palindrome (242055550242).

The spelling of 120032320221 in words is "one hundred twenty billion, thirty-two million, three hundred twenty thousand, two hundred twenty-one".

Divisors: 1 3 9 11 33 99 1212447679 3637343037 10912029111 13336924469 40010773407 120032320221