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12122112020123 = 73231536584107
BaseRepresentation
bin1011000001100110011000…
…1011100100111010011011
31120220212021211101110020102
42300121212023210322123
53042102041134120443
641440453230250015
72360536144034000
oct260314613447233
946825254343212
1012122112020123
113953a602379a6
12143941a95690b
1369c158312cb1
142dc9db61d8a7
151604cd514cb8
hexb06662e4e9b

12122112020123 has 16 divisors (see below), whose sum is σ = 14751207436800. Its totient is φ = 9938625997608.

The previous prime is 12122112020119. The next prime is 12122112020149. The reversal of 12122112020123 is 32102021122121.

12122112020123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12122112020123 - 22 = 12122112020119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12122112020095 and 12122112020104.

It is not an unprimeable number, because it can be changed into a prime (12122118020123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768284165 + ... + 768299942.

It is an arithmetic number, because the mean of its divisors is an integer number (921950464800).

Almost surely, 212122112020123 is an apocalyptic number.

12122112020123 is a deficient number, since it is larger than the sum of its proper divisors (2629095416677).

12122112020123 is an equidigital number, since it uses as much as digits as its factorization.

12122112020123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1536584151 (or 1536584137 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 12122112020123 its reverse (32102021122121), we get a palindrome (44224133142244).

The spelling of 12122112020123 in words is "twelve trillion, one hundred twenty-two billion, one hundred twelve million, twenty thousand, one hundred twenty-three".

Divisors: 1 7 23 49 161 343 1127 7889 1536584107 10756088749 35341434461 75292621243 247390041227 527048348701 1731730288589 12122112020123