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12122012020012 = 228969337886387
BaseRepresentation
bin1011000001100110000000…
…1110000110110100101100
31120220212000212012220212121
42300121200032012310230
53042101340034120022
641440435255042324
72360533521041326
oct260314016066454
946825025186777
1012122012020012
113953a09846384
1214393b13703a4
1369c14069c42b
142dc9cc22c616
151604c48602c7
hexb0660386d2c

12122012020012 has 12 divisors (see below), whose sum is σ = 21215886302520. Its totient is φ = 6060330219296.

The previous prime is 12122012019977. The next prime is 12122012020039. The reversal of 12122012020012 is 21002021022121.

It is a happy number.

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, 168907318 + ... + 168979069.

It is an arithmetic number, because the mean of its divisors is an integer number (1767990525210).

Almost surely, 212122012020012 is an apocalyptic number.

It is an amenable number.

12122012020012 is a deficient number, since it is larger than the sum of its proper divisors (9093874282508).

12122012020012 is a wasteful number, since it uses less digits than its factorization.

12122012020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337895360 (or 337895358 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122012020012 its reverse (21002021022121), we get a palindrome (33124033042133).

The spelling of 12122012020012 in words is "twelve trillion, one hundred twenty-two billion, twelve million, twenty thousand, twelve".

Divisors: 1 2 4 8969 17938 35876 337886387 675772774 1351545548 3030503005003 6061006010006 12122012020012