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12220231022 = 237189164299
BaseRepresentation
bin10110110000110000…
…11110110101101110
31011112122112001111222
423120120132311232
5200011334343042
65340333543342
7611554151456
oct133030366556
934478461458
1012220231022
11520100248a
122450644b52
1311c998343c
1483cd88d66
154b7c742d2
hex2d861ed6e

12220231022 has 8 divisors (see below), whose sum is σ = 18330951000. Its totient is φ = 6109914024.

The previous prime is 12220231019. The next prime is 12220231061. The reversal of 12220231022 is 22013202221.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7772 + ... + 156527.

It is an arithmetic number, because the mean of its divisors is an integer number (2291368875).

Almost surely, 212220231022 is an apocalyptic number.

12220231022 is a deficient number, since it is larger than the sum of its proper divisors (6110719978).

12220231022 is a wasteful number, since it uses less digits than its factorization.

12220231022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201490.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 12220231022 its reverse (22013202221), we get a palindrome (34233433243).

The spelling of 12220231022 in words is "twelve billion, two hundred twenty million, two hundred thirty-one thousand, twenty-two".

Divisors: 1 2 37189 74378 164299 328598 6110115511 12220231022