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12321033003220 = 2254801128317361
BaseRepresentation
bin1011001101001011011011…
…0010111010000011010100
31121121212201222022101210211
42303102312302322003110
53103331433422100340
642112112053255204
72411110453350064
oct263226662720324
947555658271724
1012321033003220
113a20358a15797
12146ba95034504
136b4b39c1a216
143084ac2a53a4
15165771d9a5ea
hexb34b6cba0d4

12321033003220 has 24 divisors (see below), whose sum is σ = 25879558837608. Its totient is φ = 4927386624000.

The previous prime is 12321033003197. The next prime is 12321033003271. The reversal of 12321033003220 is 2230033012321.

12321033003220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 270595555344 + 12050437447876 = 520188^2 + 3471374^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12321033003191 and 12321033003200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64062661 + ... + 64254700.

It is an arithmetic number, because the mean of its divisors is an integer number (1078314951567).

Almost surely, 212321033003220 is an apocalyptic number.

12321033003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12321033003220 is an abundant number, since it is smaller than the sum of its proper divisors (13558525834388).

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

12321033003220 is a wasteful number, since it uses less digits than its factorization.

12321033003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128322171 (or 128322169 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 12321033003220 its reverse (2230033012321), we get a palindrome (14551066015541).

The spelling of 12321033003220 in words is "twelve trillion, three hundred twenty-one billion, thirty-three million, three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 4801 9602 19204 24005 48010 96020 128317361 256634722 513269444 641586805 1283173610 2566347220 616051650161 1232103300322 2464206600644 3080258250805 6160516501610 12321033003220