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12121230133403 = 17879618106019
BaseRepresentation
bin1011000001100011000110…
…0111011100100010011011
31120220210000100221222002022
42300120301213130202123
53042043234403232103
641440225524325055
72360505245105456
oct260306147344233
946823010858068
1012121230133403
1139536484573a6
12143921354378b
1369c0476bc031
142dc95645a49d
1516047adb5138
hexb06319dc89b

12121230133403 has 8 divisors (see below), whose sum is σ = 12834391162320. Its totient is φ = 11408085492480.

The previous prime is 12121230133379. The next prime is 12121230133427. The reversal of 12121230133403 is 30433103212121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12121230133379) and next prime (12121230133427).

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 12121230133403 - 220 = 12121229084827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12121230133483) 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, 2557673 + ... + 5548346.

It is an arithmetic number, because the mean of its divisors is an integer number (1604298895290).

Almost surely, 212121230133403 is an apocalyptic number.

12121230133403 is a deficient number, since it is larger than the sum of its proper divisors (713161028917).

12121230133403 is an equidigital number, since it uses as much as digits as its factorization.

12121230133403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8193997.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12121230133403 its reverse (30433103212121), we get a palindrome (42554333345524).

The spelling of 12121230133403 in words is "twelve trillion, one hundred twenty-one billion, two hundred thirty million, one hundred thirty-three thousand, four hundred three".

Divisors: 1 17 87961 1495337 8106019 137802323 713013537259 12121230133403