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12212012110012 = 22111321349671521
BaseRepresentation
bin1011000110110101010010…
…1001001101000010111100
31121020110100010021012110021
42301231110221031002330
53100040200100010022
641550042041221524
72400201021141301
oct261552451150274
947213303235407
1012212012110012
1139890a3519050
12145292a1918a4
136a7784523660
143030c91510a8
151629e0c087c7
hexb1b54a4d0bc

12212012110012 has 24 divisors (see below), whose sum is σ = 25107213709872. Its totient is φ = 5123921164800.

The previous prime is 12212012109967. The next prime is 12212012110013. The reversal of 12212012110012 is 21001121021221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212012110013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10674835189 + ... + 10674836332.

It is an arithmetic number, because the mean of its divisors is an integer number (1046133904578).

Almost surely, 212212012110012 is an apocalyptic number.

It is an amenable number.

12212012110012 is an abundant number, since it is smaller than the sum of its proper divisors (12895201599860).

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

12212012110012 is a wasteful number, since it uses less digits than its factorization.

12212012110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21349671549 (or 21349671547 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12212012110012 its reverse (21001121021221), we get a palindrome (33213133131233).

The spelling of 12212012110012 in words is "twelve trillion, two hundred twelve billion, twelve million, one hundred ten thousand, twelve".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 21349671521 42699343042 85398686084 234846386731 277545729773 469692773462 555091459546 939385546924 1110182919092 3053003027503 6106006055006 12212012110012