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121223140341 = 3157257373971
BaseRepresentation
bin111000011100101110…
…1100101001111110101
3102120220020201120121120
41300321131211033311
53441231110442331
6131404504334153
711521010456142
oct1607135451765
9376806646546
10121223140341
1147457336606
121b5b1474359
13b57b721454
145c1d97b3c9
153247562796
hex1c397653f5

121223140341 has 8 divisors (see below), whose sum is σ = 162660350304. Its totient is φ = 80300678640.

The previous prime is 121223140333. The next prime is 121223140343. The reversal of 121223140341 is 143041322121.

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

It is not a de Polignac number, because 121223140341 - 23 = 121223140333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121223140343) 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, 128686515 + ... + 128687456.

It is an arithmetic number, because the mean of its divisors is an integer number (20332543788).

Almost surely, 2121223140341 is an apocalyptic number.

It is an amenable number.

121223140341 is a deficient number, since it is larger than the sum of its proper divisors (41437209963).

121223140341 is a wasteful number, since it uses less digits than its factorization.

121223140341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257374131.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 121223140341 its reverse (143041322121), we get a palindrome (264264462462).

The spelling of 121223140341 in words is "one hundred twenty-one billion, two hundred twenty-three million, one hundred forty thousand, three hundred forty-one".

Divisors: 1 3 157 471 257373971 772121913 40407713447 121223140341