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12222122012 = 2267714933023
BaseRepresentation
bin10110110000111111…
…01100100000011100
31011112210002010110122
423120133230200130
5200012330401022
65340442254112
7611606215532
oct133037544034
934483063418
1012222122012
115202084191
1224511b7338
1311ca196079
1483d31c152
154b7ee9742
hex2d87ec81c

12222122012 has 24 divisors (see below), whose sum is σ = 21441744576. Its totient is φ = 6095930048.

The previous prime is 12222121999. The next prime is 12222122021. The reversal of 12222122012 is 21022122221.

Adding to 12222122012 its reverse (21022122221), we get a palindrome (33244244233).

It is a happy number.

12222122012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4041533 + ... + 4044555.

It is an arithmetic number, because the mean of its divisors is an integer number (893406024).

Almost surely, 212222122012 is an apocalyptic number.

It is an amenable number.

12222122012 is a deficient number, since it is larger than the sum of its proper divisors (9219622564).

12222122012 is a wasteful number, since it uses less digits than its factorization.

12222122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5197 (or 5195 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The spelling of 12222122012 in words is "twelve billion, two hundred twenty-two million, one hundred twenty-two thousand, twelve".

Divisors: 1 2 4 677 1354 1493 2708 2986 3023 5972 6046 12092 1010761 2021522 2046571 4043044 4093142 4513339 8186284 9026678 18053356 3055530503 6111061006 12222122012