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12315234230122 = 2191327244223897
BaseRepresentation
bin1011001100110101110100…
…1010010101111101101010
31121121022202211220012112211
42303031131022111331222
53103233044430330442
642105312425355334
72410513661526055
oct263153512257552
947538684805484
1012315234230122
113a1895273572a
12146a937038b4a
136b4424748035
143080bc0b7a9c
15165532c60617
hexb335d295f6a

12315234230122 has 16 divisors (see below), whose sum is σ = 19459760192640. Its totient is φ = 5829135949728.

The previous prime is 12315234230083. The next prime is 12315234230153. The reversal of 12315234230122 is 22103243251321.

It is a happy number.

It is a super-2 number, since 2×123152342301222 (a number of 27 digits) contains 22 as substring.

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, 122061523 + ... + 122162374.

It is an arithmetic number, because the mean of its divisors is an integer number (1216235012040).

Almost surely, 212315234230122 is an apocalyptic number.

12315234230122 is a deficient number, since it is larger than the sum of its proper divisors (7144525962518).

12315234230122 is a wasteful number, since it uses less digits than its factorization.

12315234230122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244225245.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 12315234230122 its reverse (22103243251321), we get a palindrome (34418477481443).

It can be divided in two parts, 1231523 and 4230122, that added together give a palindrome (5461645).

The spelling of 12315234230122 in words is "twelve trillion, three hundred fifteen billion, two hundred thirty-four million, two hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 19 38 1327 2654 25213 50426 244223897 488447794 4640254043 9280508086 324085111319 648170222638 6157617115061 12315234230122