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12012001343 = 192250128097
BaseRepresentation
bin10110010111111100…
…01001100000111111
31011000010200220002122
423023332021200333
5144100033020333
65303534513155
7603445220036
oct131376114077
934003626078
1012012001343
115104509441
1223b29657bb
1311957a7304
1481d46371d
154a4841798
hex2cbf8983f

12012001343 has 8 divisors (see below), whose sum is σ = 12645223920. Its totient is φ = 11378880000.

The previous prime is 12012001333. The next prime is 12012001369. The reversal of 12012001343 is 34310021021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12012001343 - 24 = 12012001327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012001333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413471 + ... + 441567.

It is an arithmetic number, because the mean of its divisors is an integer number (1580652990).

Almost surely, 212012001343 is an apocalyptic number.

12012001343 is a deficient number, since it is larger than the sum of its proper divisors (633222577).

12012001343 is a wasteful number, since it uses less digits than its factorization.

12012001343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50617.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12012001343 its reverse (34310021021), we get a palindrome (46322022364).

The spelling of 12012001343 in words is "twelve billion, twelve million, one thousand, three hundred forty-three".

Divisors: 1 19 22501 28097 427519 533843 632210597 12012001343