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12121001303 = 195691121173
BaseRepresentation
bin10110100100111011…
…11100110101010111
31011021201210122221012
423102131330311113
5144310434020203
65322431042435
7606240545135
oct132235746527
934251718835
1012121001303
11515aa97754
12242337041b
1311b224c428
1482db18755
154ae1c2bd8
hex2d277cd57

12121001303 has 8 divisors (see below), whose sum is σ = 12781383600. Its totient is φ = 11462862528.

The previous prime is 12121001267. The next prime is 12121001381. The reversal of 12121001303 is 30310012121.

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 12121001303 - 218 = 12120739159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121001383) 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, 549776 + ... + 571397.

It is an arithmetic number, because the mean of its divisors is an integer number (1597672950).

Almost surely, 212121001303 is an apocalyptic number.

12121001303 is a deficient number, since it is larger than the sum of its proper divisors (660382297).

12121001303 is a wasteful number, since it uses less digits than its factorization.

12121001303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121761.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12121001303 its reverse (30310012121), we get a palindrome (42431013424).

The spelling of 12121001303 in words is "twelve billion, one hundred twenty-one million, one thousand, three hundred three".

Divisors: 1 19 569 10811 1121173 21302287 637947437 12121001303