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12321412211423 = 79722779940131
BaseRepresentation
bin1011001101001100110101…
…1001011110001011011111
31121121220201101212011200002
42303103031121132023133
53103333223011231143
642112213441124515
72411123036514260
oct263231531361337
947556641764602
1012321412211423
113a20532a7a4a7
12146bb8002973b
136b4b9a65bb83
143085067b6967
151657953035b8
hexb34cd65e2df

12321412211423 has 16 divisors (see below), whose sum is σ = 14289458475264. Its totient is φ = 10406286362880.

The previous prime is 12321412211401. The next prime is 12321412211461. The reversal of 12321412211423 is 32411221412321.

It is a cyclic number.

It is not a de Polignac number, because 12321412211423 - 26 = 12321412211359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321412211923) 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, 39815933 + ... + 40124198.

It is an arithmetic number, because the mean of its divisors is an integer number (893091154704).

Almost surely, 212321412211423 is an apocalyptic number.

12321412211423 is a deficient number, since it is larger than the sum of its proper divisors (1968046263841).

12321412211423 is an equidigital number, since it uses as much as digits as its factorization.

12321412211423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79940462.

The product of its digits is 4608, while the sum is 29.

Adding to 12321412211423 its reverse (32411221412321), we get a palindrome (44732633623744).

The spelling of 12321412211423 in words is "twelve trillion, three hundred twenty-one billion, four hundred twelve million, two hundred eleven thousand, four hundred twenty-three".

Divisors: 1 7 97 227 679 1589 22019 154133 79940131 559580917 7754192707 18146409737 54279348949 127024868159 1760201744489 12321412211423