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12001203442397 = 138326423420941
BaseRepresentation
bin1010111010100011111101…
…1101111101001011011101
31120111022012111120022102002
42232220333131331023131
53033111431040124042
641305135440012045
72346026003055641
oct256507735751335
946438174508362
1012001203442397
1139077555219a4
121419ab6901025
13690929b1ab90
142d6c0b766c21
1515c2a38db132
hexaea3f77d2dd

12001203442397 has 16 divisors (see below), whose sum is σ = 13080614375808. Its totient is φ = 10944123453120.

The previous prime is 12001203442357. The next prime is 12001203442433. The reversal of 12001203442397 is 79324430210021.

It is a de Polignac number, because none of the positive numbers 2k-12001203442397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12001203442397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001203442357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28299947 + ... + 28720887.

It is an arithmetic number, because the mean of its divisors is an integer number (817538398488).

Almost surely, 212001203442397 is an apocalyptic number.

It is an amenable number.

12001203442397 is a deficient number, since it is larger than the sum of its proper divisors (1079410933411).

12001203442397 is a wasteful number, since it uses less digits than its factorization.

12001203442397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447460.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 12001203442397 in words is "twelve trillion, one billion, two hundred three million, four hundred forty-two thousand, three hundred ninety-seven".

Divisors: 1 13 83 1079 26423 343499 420941 2193109 5472233 28510417 34938103 454195339 11122524043 144592812559 923169495569 12001203442397