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12420300111 = 34246397499
BaseRepresentation
bin10111001000100111…
…01011110101001111
31012001120222121201020
423210103223311033
5200414044100421
65412242045223
7616533544332
oct134423536517
935046877636
1012420300111
1152a3a3233a
1224a7649813
13122c26300b
1485b788619
154ca5e3dc6
hex2e44ebd4f

12420300111 has 8 divisors (see below), whose sum is σ = 16560960000. Its totient is φ = 8279920152.

The previous prime is 12420300091. The next prime is 12420300149. The reversal of 12420300111 is 11100302421.

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

It is not a de Polignac number, because 12420300111 - 226 = 12353191247 is a prime.

It is a super-2 number, since 2×124203001112 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12420300911) 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, 78640 + ... + 176138.

It is an arithmetic number, because the mean of its divisors is an integer number (2070120000).

Almost surely, 212420300111 is an apocalyptic number.

12420300111 is a deficient number, since it is larger than the sum of its proper divisors (4140659889).

12420300111 is an equidigital number, since it uses as much as digits as its factorization.

12420300111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139965.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12420300111 its reverse (11100302421), we get a palindrome (23520602532).

The spelling of 12420300111 in words is "twelve billion, four hundred twenty million, three hundred thousand, one hundred eleven".

Divisors: 1 3 42463 97499 127389 292497 4140100037 12420300111