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12121310230033 = 18116693158603
BaseRepresentation
bin1011000001100011011001…
…1000111111011000010001
31120220210012221200022000011
42300120312120333120101
53042043420404330113
641440241505154521
72360510236653364
oct260306630773021
946823187608004
1012121310230033
113953689694164
12143923632ba41
1369c05b1843a4
142dc962d4a0db
15160482e3763d
hexb063663f611

12121310230033 has 4 divisors (see below), whose sum is σ = 12128003390448. Its totient is φ = 12114617069620.

The previous prime is 12121310229979. The next prime is 12121310230097. The reversal of 12121310230033 is 33003201312121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12121310230033 - 29 = 12121310229521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12121310229986 and 12121310230013.

It is not an unprimeable number, because it can be changed into a prime (12121310231033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3346577491 + ... + 3346581112.

It is an arithmetic number, because the mean of its divisors is an integer number (3032000847612).

Almost surely, 212121310230033 is an apocalyptic number.

It is an amenable number.

12121310230033 is a deficient number, since it is larger than the sum of its proper divisors (6693160415).

12121310230033 is an equidigital number, since it uses as much as digits as its factorization.

12121310230033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6693160414.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12121310230033 its reverse (33003201312121), we get a palindrome (45124511542154).

The spelling of 12121310230033 in words is "twelve trillion, one hundred twenty-one billion, three hundred ten million, two hundred thirty thousand, thirty-three".

Divisors: 1 1811 6693158603 12121310230033