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12122053889207 = 66863181296889
BaseRepresentation
bin1011000001100110001010…
…1101110100110010110111
31120220212010210000002121112
42300121202231310302313
53042101431243423312
641440443352305235
72360534536653053
oct260314255646267
946825123002545
1012122053889207
113953a30443319
1214394033a221b
1369c14926b9c2
142dc9d3a0ac63
151604c8380d22
hexb0662b74cb7

12122053889207 has 4 divisors (see below), whose sum is σ = 12122235252960. Its totient is φ = 12121872525456.

The previous prime is 12122053889173. The next prime is 12122053889213. The reversal of 12122053889207 is 70298835022121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12122053889207 - 28 = 12122053888951 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 (12122053849207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90581582 + ... + 90715307.

It is an arithmetic number, because the mean of its divisors is an integer number (3030558813240).

Almost surely, 212122053889207 is an apocalyptic number.

12122053889207 is a deficient number, since it is larger than the sum of its proper divisors (181363753).

12122053889207 is an equidigital number, since it uses as much as digits as its factorization.

12122053889207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181363752.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 12122053889207 in words is "twelve trillion, one hundred twenty-two billion, fifty-three million, eight hundred eighty-nine thousand, two hundred seven".

Divisors: 1 66863 181296889 12122053889207