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12331320202 = 2291097272683
BaseRepresentation
bin10110111110000000…
…10000001110001010
31011211101112222020001
423133000100032022
5200223304221302
65355342553214
7614403330565
oct133700201612
934741488201
1012331320202
115258788423
12248189880a
1312169aa496
1484da254dc
154c28b9787
hex2df01038a

12331320202 has 32 divisors (see below), whose sum is σ = 19344124800. Its totient is φ = 5888127168.

The previous prime is 12331320149. The next prime is 12331320233. The reversal of 12331320202 is 20202313321.

It is a super-2 number, since 2×123313202022 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12331320202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4594753 + ... + 4597435.

It is an arithmetic number, because the mean of its divisors is an integer number (604503900).

Almost surely, 212331320202 is an apocalyptic number.

12331320202 is a deficient number, since it is larger than the sum of its proper divisors (7012804598).

12331320202 is a wasteful number, since it uses less digits than its factorization.

12331320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12331320202 its reverse (20202313321), we get a palindrome (32533633523).

The spelling of 12331320202 in words is "twelve billion, three hundred thirty-one million, three hundred twenty thousand, two hundred two".

Divisors: 1 2 29 58 109 218 727 1454 2683 3161 5366 6322 21083 42166 77807 79243 155614 158486 292447 584894 1950541 2298047 3901082 4596094 8480963 16961926 56565689 113131378 212608969 425217938 6165660101 12331320202