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121311010310322 = 2372888357388341
BaseRepresentation
bin11011100101010011101011…
…101011010100100010110010
3120220112012220212222012111210
4123211103223223110202302
5111400024422114412242
61110001301521420550
734360300632022620
oct3345235353244262
9526465825865453
10121311010310322
113572078a826518
1211732a77a9a756
13528c76b61b621
1421d56aca10510
15e0589eea4d9c
hex6e54ebad48b2

121311010310322 has 16 divisors (see below), whose sum is σ = 277282309280832. Its totient is φ = 34660288660080.

The previous prime is 121311010310257. The next prime is 121311010310353. The reversal of 121311010310322 is 223013010113121.

It is a super-2 number, since 2×1213110103103222 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444178694129 + ... + 1444178694212.

It is an arithmetic number, because the mean of its divisors is an integer number (17330144330052).

Almost surely, 2121311010310322 is an apocalyptic number.

121311010310322 is an abundant number, since it is smaller than the sum of its proper divisors (155971298970510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121311010310322 is a wasteful number, since it uses less digits than its factorization.

121311010310322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888357388353.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121311010310322 its reverse (223013010113121), we get a palindrome (344324020423443).

The spelling of 121311010310322 in words is "one hundred twenty-one trillion, three hundred eleven billion, ten million, three hundred ten thousand, three hundred twenty-two".

Divisors: 1 2 3 6 7 14 21 42 2888357388341 5776714776682 8665072165023 17330144330046 20218501718387 40437003436774 60655505155161 121311010310322