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12021301103 = 717130777291
BaseRepresentation
bin10110011001000011…
…00111111101101111
31011000210012100222012
423030201213331233
5144104423113403
65304510111435
7603620242040
oct131441477557
934023170865
1012021301103
115109790499
1223b5aab57b
1311976b2226
148207a48c7
154a557bed8
hex2cc867f6f

12021301103 has 16 divisors (see below), whose sum is σ = 14558102784. Its totient is φ = 9690311040.

The previous prime is 12021301091. The next prime is 12021301133. The reversal of 12021301103 is 30110312021.

It is a cyclic number.

It is not a de Polignac number, because 12021301103 - 224 = 12004523887 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 (12021301133) 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, 116888 + ... + 194178.

It is an arithmetic number, because the mean of its divisors is an integer number (909881424).

Almost surely, 212021301103 is an apocalyptic number.

12021301103 is a deficient number, since it is larger than the sum of its proper divisors (2536801681).

12021301103 is a wasteful number, since it uses less digits than its factorization.

12021301103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78622.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 12021301103 its reverse (30110312021), we get a palindrome (42131613124).

It can be divided in two parts, 12021 and 301103, that multiplied together give a palindrome (3619559163).

The spelling of 12021301103 in words is "twelve billion, twenty-one million, three hundred one thousand, one hundred three".

Divisors: 1 7 17 119 1307 9149 22219 77291 155533 541037 1313947 9197629 101019337 707135359 1717328729 12021301103