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121203032229 = 3213467003581
BaseRepresentation
bin111000011100001000…
…0111000000010100101
3102120211211212222110200
41300320100320002211
53441210434012404
6131402505341113
711520344526666
oct1607020700245
9376754788420
10121203032229
1147446a52034
121b5a6797799
13b577500a66
145c1b02536d
1532458de839
hex1c384380a5

121203032229 has 6 divisors (see below), whose sum is σ = 175071046566. Its totient is φ = 80802021480.

The previous prime is 121203032191. The next prime is 121203032243. The reversal of 121203032229 is 922230302121.

121203032229 is a `hidden beast` number, since 12 + 120 + 303 + 2 + 229 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111599424225 + 9603608004 = 334065^2 + 97998^2 .

It is not a de Polignac number, because 121203032229 - 216 = 121202966693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121203032299) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6733501782 + ... + 6733501799.

It is an arithmetic number, because the mean of its divisors is an integer number (29178507761).

Almost surely, 2121203032229 is an apocalyptic number.

It is an amenable number.

121203032229 is a deficient number, since it is larger than the sum of its proper divisors (53868014337).

121203032229 is a wasteful number, since it uses less digits than its factorization.

121203032229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13467003587 (or 13467003584 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 121203032229 in words is "one hundred twenty-one billion, two hundred three million, thirty-two thousand, two hundred twenty-nine".

Divisors: 1 3 9 13467003581 40401010743 121203032229