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20121322120313 = 712179130059157
BaseRepresentation
bin1001001001100110111000…
…10000011110010001111001
32122020120122112102210021012
410210303130100132101321
510114131431430322223
6110443335140123305
74144501056024311
oct444633420362171
978216575383235
1020121322120313
11645844a858777
12230b792096535
13b2c58137c5cb
144d7c3d002441
1524d605e4ac78
hex124cdc41e479

20121322120313 has 8 divisors (see below), whose sum is σ = 20414085439680. Its totient is φ = 19828818923760.

The previous prime is 20121322120303. The next prime is 20121322120327. The reversal of 20121322120313 is 31302122312102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20121322120313 - 214 = 20121322103929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20121322120303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64874870 + ... + 65184287.

It is an arithmetic number, because the mean of its divisors is an integer number (2551760679960).

Almost surely, 220121322120313 is an apocalyptic number.

It is an amenable number.

20121322120313 is a deficient number, since it is larger than the sum of its proper divisors (292763319367).

20121322120313 is a wasteful number, since it uses less digits than its factorization.

20121322120313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130061407.

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

Adding to 20121322120313 its reverse (31302122312102), we get a palindrome (51423444432415).

The spelling of 20121322120313 in words is "twenty trillion, one hundred twenty-one billion, three hundred twenty-two million, one hundred twenty thousand, three hundred thirteen".

Divisors: 1 71 2179 154709 130059157 9234200147 283398903103 20121322120313