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12303020121222 = 2323383272326097
BaseRepresentation
bin1011001100001000010100…
…1001001101110010000110
31121120011020121220012000010
42303002011021031302012
53103033041122334342
642055532430531050
72406602210363115
oct263020511156206
947504217805003
1012303020121222
113a13755134956
1214684a8666a86
136b322912936c
1430767dc83c7c
1516506a7ea29c
hexb308524dc86

12303020121222 has 32 divisors (see below), whose sum is σ = 25676549033472. Its totient is φ = 3922598033024.

The previous prime is 12303020121209. The next prime is 12303020121229. The reversal of 12303020121222 is 22212102030321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12303020121229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4126078 + ... + 6452174.

It is an arithmetic number, because the mean of its divisors is an integer number (802392157296).

Almost surely, 212303020121222 is an apocalyptic number.

12303020121222 is an abundant number, since it is smaller than the sum of its proper divisors (13373528912250).

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

12303020121222 is a wasteful number, since it uses less digits than its factorization.

12303020121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364452.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12303020121222 its reverse (22212102030321), we get a palindrome (34515122151543).

The spelling of 12303020121222 in words is "twelve trillion, three hundred three billion, twenty million, one hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 23 46 69 138 38327 76654 114981 229962 881521 1763042 2326097 2644563 4652194 5289126 6978291 13956582 53500231 107000462 160500693 321001386 89152319719 178304639438 267456959157 534913918314 2050503353537 4101006707074 6151510060611 12303020121222