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12220220202 = 232036703367
BaseRepresentation
bin10110110000110000…
…11100001100101010
31011112122111111200020
423120120130030222
5200011334021302
65340333421310
7611554105101
oct133030341452
934478444606
1012220220202
115200aa5343
12245063a836
1311c997b538
1483cd85038
154b7c70ebc
hex2d861c32a

12220220202 has 8 divisors (see below), whose sum is σ = 24440440416. Its totient is φ = 4073406732.

The previous prime is 12220220171. The next prime is 12220220269. The reversal of 12220220202 is 20202202221.

It is a sphenic number, since it is the product of 3 distinct primes.

12220220202 is an admirable 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, 1018351678 + ... + 1018351689.

It is an arithmetic number, because the mean of its divisors is an integer number (3055055052).

Almost surely, 212220220202 is an apocalyptic number.

12220220202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12220220202 is a wasteful number, since it uses less digits than its factorization.

12220220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036703372.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 12220220202 its reverse (20202202221), we get a palindrome (32422422423).

The spelling of 12220220202 in words is "twelve billion, two hundred twenty million, two hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 2036703367 4073406734 6110110101 12220220202