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12001301422 = 21123139170633
BaseRepresentation
bin10110010110101010…
…10101001110101110
31010222101120021120021
423023111111032232
5144034313121142
65302513312354
7603255243655
oct131325251656
933871507507
1012001301422
1150a9470430
1223ab2656ba
1311934cbcb6
1481bc7a19c
154a392b267
hex2cb5553ae

12001301422 has 32 divisors (see below), whose sum is σ = 20639888640. Its totient is φ = 5180387520.

The previous prime is 12001301407. The next prime is 12001301423. The reversal of 12001301422 is 22410310021.

It is a junction number, because it is equal to n+sod(n) for n = 12001301396 and 12001301405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001301423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14983 + ... + 155650.

It is an arithmetic number, because the mean of its divisors is an integer number (644996520).

Almost surely, 212001301422 is an apocalyptic number.

12001301422 is a deficient number, since it is larger than the sum of its proper divisors (8638587218).

12001301422 is a wasteful number, since it uses less digits than its factorization.

12001301422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170808.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12001301422 its reverse (22410310021), we get a palindrome (34411611443).

The spelling of 12001301422 in words is "twelve billion, one million, three hundred one thousand, four hundred twenty-two".

Divisors: 1 2 11 22 23 46 139 253 278 506 1529 3058 3197 6394 35167 70334 170633 341266 1876963 3753926 3924559 7849118 23717987 43170149 47435974 86340298 260897857 521795714 545513701 1091027402 6000650711 12001301422