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121223101232 = 2453031428709
BaseRepresentation
bin111000011100101110…
…1011011101100110000
3102120220020122120222002
41300321131123230300
53441231103214412
6131404503433132
711521010234132
oct1607135335460
9376806576862
10121223101232
114745730a192
121b5b14557a8
13b57b7096cc
145c1d96b052
153247555dc2
hex1c3975bb30

121223101232 has 20 divisors (see below), whose sum is σ = 234914213040. Its totient is φ = 60600078528.

The previous prime is 121223101201. The next prime is 121223101249. The reversal of 121223101232 is 232101322121.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629507 + ... + 799202.

It is an arithmetic number, because the mean of its divisors is an integer number (11745710652).

Almost surely, 2121223101232 is an apocalyptic number.

It is an amenable number.

121223101232 is a deficient number, since it is larger than the sum of its proper divisors (113691111808).

121223101232 is a wasteful number, since it uses less digits than its factorization.

121223101232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1434020 (or 1434014 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121223101232 its reverse (232101322121), we get a palindrome (353324423353).

The spelling of 121223101232 in words is "one hundred twenty-one billion, two hundred twenty-three million, one hundred one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 5303 10606 21212 42424 84848 1428709 2857418 5714836 11429672 22859344 7576443827 15152887654 30305775308 60611550616 121223101232