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12323210012120 = 23572292113373049
BaseRepresentation
bin1011001101010011100010…
…0011100010010111011000
31121122002100200201220121002
42303110320203202113120
53103400413230341440
642113112102204132
72411215426541600
oct263247043422730
947562320656532
1012323210012120
113a212758717a7
1214703a2123648
136b50c5c5bb77
14308637479c00
1516584d075115
hexb35388e25d8

12323210012120 has 384 divisors, whose sum is σ = 33634968120000. Its totient is φ = 4046698414080.

The previous prime is 12323210012119. The next prime is 12323210012143. The reversal of 12323210012120 is 2121001232321.

It is a super-2 number, since 2×123232100121202 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12323210012092 and 12323210012101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4041720356 + ... + 4041723404.

Almost surely, 212323210012120 is an apocalyptic number.

12323210012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12323210012120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16817484060000).

12323210012120 is an abundant number, since it is smaller than the sum of its proper divisors (21311758107880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12323210012120 is a wasteful number, since it uses less digits than its factorization.

12323210012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3651 (or 3640 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12323210012120 its reverse (2121001232321), we get a palindrome (14444211244441).

The spelling of 12323210012120 in words is "twelve trillion, three hundred twenty-three billion, two hundred ten million, twelve thousand, one hundred twenty".