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122120213132 = 22238211616801
BaseRepresentation
bin111000110111011101…
…1101001001010001100
3102200012202201121010202
41301232323221022030
54000100233310012
6132033511553032
711552152453541
oct1615673511214
9380182647122
10122120213132
1147877749685
121b80198b778
13b692531658
145ca6b74bc8
15329b1b1cc2
hex1c6eee928c

122120213132 has 24 divisors (see below), whose sum is σ = 223273888992. Its totient is φ = 58334144000.

The previous prime is 122120213113. The next prime is 122120213147. The reversal of 122120213132 is 231312021221.

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, 732869 + ... + 883932.

It is an arithmetic number, because the mean of its divisors is an integer number (9303078708).

Almost surely, 2122120213132 is an apocalyptic number.

It is an amenable number.

122120213132 is a deficient number, since it is larger than the sum of its proper divisors (101153675860).

122120213132 is a wasteful number, since it uses less digits than its factorization.

122120213132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617649 (or 1617647 counting only the distinct ones).

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

Adding to 122120213132 its reverse (231312021221), we get a palindrome (353432234353).

The spelling of 122120213132 in words is "one hundred twenty-two billion, one hundred twenty million, two hundred thirteen thousand, one hundred thirty-two".

Divisors: 1 2 4 23 46 92 821 1642 3284 18883 37766 75532 1616801 3233602 6467204 37186423 74372846 148745692 1327393621 2654787242 5309574484 30530053283 61060106566 122120213132