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12220202022 = 2372119334841
BaseRepresentation
bin10110110000110000…
…10111110000100110
31011112122110120201220
423120120113300212
5200011332431042
65340333201210
7611554001100
oct133030276046
934478416656
1012220202022
115200a92716
122450630206
1311c9973192
1483cd7c570
154b7c6a8ec
hex2d8617c26

12220202022 has 48 divisors (see below), whose sum is σ = 28455322032. Its totient is φ = 3488459520.

The previous prime is 12220202011. The next prime is 12220202023. The reversal of 12220202022 is 22020202221.

It is a junction number, because it is equal to n+sod(n) for n = 12220201992 and 12220202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12220202023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 333322 + ... + 368162.

It is an arithmetic number, because the mean of its divisors is an integer number (592819209).

Almost surely, 212220202022 is an apocalyptic number.

12220202022 is an abundant number, since it is smaller than the sum of its proper divisors (16235120010).

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

12220202022 is a wasteful number, since it uses less digits than its factorization.

12220202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36053 (or 36046 counting only the distinct ones).

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

Adding to 12220202022 its reverse (22020202221), we get a palindrome (34240404243).

The spelling of 12220202022 in words is "twelve billion, two hundred twenty million, two hundred two thousand, twenty-two".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 1193 2386 3579 7158 8351 16702 25053 34841 50106 58457 69682 104523 116914 175371 209046 243887 350742 487774 731661 1463322 1707209 3414418 5121627 10243254 41565313 83130626 124695939 249391878 290957191 581914382 872871573 1745743146 2036700337 4073400674 6110101011 12220202022