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12220000022 = 249912244489
BaseRepresentation
bin10110110000101111…
…00110011100010110
31011112122002022122102
423120113212130112
5200011310000042
65340325002102
7611552200136
oct133027463426
934478068572
1012220000022
11520096497a
122450553332
1311c9902259
1483cd28ac6
154b7c2ab32
hex2d85e6716

12220000022 has 8 divisors (see below), whose sum is σ = 18366735000. Its totient is φ = 6097755024.

The previous prime is 12219999977. The next prime is 12220000057. The reversal of 12220000022 is 22000002221.

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

It is a junction number, because it is equal to n+sod(n) for n = 12219999958 and 12220000012.

It is a congruent 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, 6121247 + ... + 6123242.

It is an arithmetic number, because the mean of its divisors is an integer number (2295841875).

Almost surely, 212220000022 is an apocalyptic number.

12220000022 is a deficient number, since it is larger than the sum of its proper divisors (6146734978).

12220000022 is a wasteful number, since it uses less digits than its factorization.

12220000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12244990.

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 12220000022 its reverse (22000002221), we get a palindrome (34220002243).

The spelling of 12220000022 in words is "twelve billion, two hundred twenty million, twenty-two", and thus it is an aban number.

Divisors: 1 2 499 998 12244489 24488978 6110000011 12220000022