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12220032130 = 251222003213
BaseRepresentation
bin10110110000101111…
…01110010010000010
31011112122010221200121
423120113232102002
5200011312012010
65340325410454
7611552362555
oct133027562202
934478127617
1012220032130
115200987009
122450569a2a
1311c9913a57
1483cd3669c
154b7c353da
hex2d85ee482

12220032130 has 8 divisors (see below), whose sum is σ = 21996057852. Its totient is φ = 4888012848.

The previous prime is 12220032109. The next prime is 12220032131. The reversal of 12220032130 is 3123002221.

It can be written as a sum of positive squares in 2 ways, for example, as 12126194161 + 93837969 = 110119^2 + 9687^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12220032131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611001597 + ... + 611001616.

Almost surely, 212220032130 is an apocalyptic number.

12220032130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220032130 is a deficient number, since it is larger than the sum of its proper divisors (9776025722).

12220032130 is a wasteful number, since it uses less digits than its factorization.

12220032130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222003220.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12220032130 its reverse (3123002221), we get a palindrome (15343034351).

The spelling of 12220032130 in words is "twelve billion, two hundred twenty million, thirty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 1222003213 2444006426 6110016065 12220032130