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12301123123320 = 23356119310338429
BaseRepresentation
bin1011001100000001010000…
…0100101111100001111000
31121112222100102100201002120
42303000110010233201320
53103020200004421240
642055020303401240
72406504204226023
oct263002404574170
947488312321076
1012301123123320
113a1297134a299
1214680592b3220
136b2cb61070b5
1430753dd5c1ba
15164ea8ed1ad0
hexb301412f878

12301123123320 has 256 divisors, whose sum is σ = 37743661929600. Its totient is φ = 3206318653440.

The previous prime is 12301123123319. The next prime is 12301123123321. The reversal of 12301123123320 is 2332132110321.

It is an interprime number because it is at equal distance from previous prime (12301123123319) and next prime (12301123123321).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301123123321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1459376866 + ... + 1459385294.

Almost surely, 212301123123320 is an apocalyptic number.

12301123123320 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 12301123123320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18871830964800).

12301123123320 is an abundant number, since it is smaller than the sum of its proper divisors (25442538806280).

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

12301123123320 is a wasteful number, since it uses less digits than its factorization.

12301123123320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730 (or 9726 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12301123123320 its reverse (2332132110321), we get a palindrome (14633255233641).

The spelling of 12301123123320 in words is "twelve trillion, three hundred one billion, one hundred twenty-three million, one hundred twenty-three thousand, three hundred twenty".