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12420010141 = 711161298833
BaseRepresentation
bin10111001000100101…
…00101000010011101
31012001120102212221121
423210102211002131
5200414010311031
65412231530541
7616531226050
oct134422450235
935046385847
1012420010141
1152a38544a0
1224a7529a51
13122c191036
1485b710a97
154ca588011
hex2e44a509d

12420010141 has 8 divisors (see below), whose sum is σ = 15484688064. Its totient is φ = 9677929920.

The previous prime is 12420010133. The next prime is 12420010181. The reversal of 12420010141 is 14101002421.

It is a happy number.

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 12420010141 - 23 = 12420010133 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 (12420010181) 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, 80649340 + ... + 80649493.

It is an arithmetic number, because the mean of its divisors is an integer number (1935586008).

Almost surely, 212420010141 is an apocalyptic number.

12420010141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12420010141 is a deficient number, since it is larger than the sum of its proper divisors (3064677923).

12420010141 is a wasteful number, since it uses less digits than its factorization.

12420010141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161298851.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12420010141 its reverse (14101002421), we get a palindrome (26521012562).

The spelling of 12420010141 in words is "twelve billion, four hundred twenty million, ten thousand, one hundred forty-one".

Divisors: 1 7 11 77 161298833 1129091831 1774287163 12420010141