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12001200202 = 26000600101
BaseRepresentation
bin10110010110101001…
…11100100001001010
31010222101101010201101
423023110330201022
5144034301401302
65302511212014
7603254342605
oct131324744112
933871333641
1012001200202
1150a9401382
1223ab21700a
131193494bc4
1481bc5133c
154a390b287
hex2cb53c84a

12001200202 has 4 divisors (see below), whose sum is σ = 18001800306. Its totient is φ = 6000600100.

The previous prime is 12001200187. The next prime is 12001200203. The reversal of 12001200202 is 20200210021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20200210021 = 99720260993.

It can be written as a sum of positive squares in only one way, i.e., 11811559761 + 189640441 = 108681^2 + 13771^2 .

It is not an unprimeable number, because it can be changed into a prime (12001200203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000300049 + ... + 3000300052.

Almost surely, 212001200202 is an apocalyptic number.

12001200202 is a deficient number, since it is larger than the sum of its proper divisors (6000600104).

12001200202 is an equidigital number, since it uses as much as digits as its factorization.

12001200202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000600103.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 12001200202 its reverse (20200210021), we get a palindrome (32201410223).

The spelling of 12001200202 in words is "twelve billion, one million, two hundred thousand, two hundred two".

Divisors: 1 2 6000600101 12001200202