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20123211330130 = 2529372611316343
BaseRepresentation
bin1001001001101010011001…
…10111001111001001010010
32122020202112012022120221011
410210311030313033021102
510114144314100031010
6110444250424321134
74144565636033536
oct444651467171122
978222465276834
1020123211330130
11645922a203aa7
12231001a9131aa
13b2c7c28a5a3c
144d7d7bc9bbc6
1524d6b6c26a8a
hex124d4cdcf252

20123211330130 has 192 divisors, whose sum is σ = 39447242714880. Its totient is φ = 7379774438400.

The previous prime is 20123211330127. The next prime is 20123211330133. The reversal of 20123211330130 is 3103311232102.

It is an interprime number because it is at equal distance from previous prime (20123211330127) and next prime (20123211330133).

It is not an unprimeable number, because it can be changed into a prime (20123211330133) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3172503739 + ... + 3172510081.

It is an arithmetic number, because the mean of its divisors is an integer number (205454389140).

Almost surely, 220123211330130 is an apocalyptic number.

20123211330130 is a deficient number, since it is larger than the sum of its proper divisors (19324031384750).

20123211330130 is a wasteful number, since it uses less digits than its factorization.

20123211330130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645 (or 6608 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20123211330130 its reverse (3103311232102), we get a palindrome (23226522562232).

The spelling of 20123211330130 in words is "twenty trillion, one hundred twenty-three billion, two hundred eleven million, three hundred thirty thousand, one hundred thirty".