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12200333213 = 82714752519
BaseRepresentation
bin10110101110011001…
…00100111110011101
31011111021002010212002
423113030210332131
5144441241130323
65334343252045
7611223056405
oct132714447635
934437063762
1012200333213
1151a0851a12
122445a4a025
1311c58076a3
1483a489805
154b6143828
hex2d7324f9d

12200333213 has 4 divisors (see below), whose sum is σ = 12215086560. Its totient is φ = 12185579868.

The previous prime is 12200333183. The next prime is 12200333221. The reversal of 12200333213 is 31233300221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31233300221 = 286311090891.

It is a cyclic number.

It is not a de Polignac number, because 12200333213 - 210 = 12200332189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12200333513) 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, 7375433 + ... + 7377086.

It is an arithmetic number, because the mean of its divisors is an integer number (3053771640).

Almost surely, 212200333213 is an apocalyptic number.

It is an amenable number.

12200333213 is a deficient number, since it is larger than the sum of its proper divisors (14753347).

12200333213 is an equidigital number, since it uses as much as digits as its factorization.

12200333213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14753346.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12200333213 its reverse (31233300221), we get a palindrome (43433633434).

The spelling of 12200333213 in words is "twelve billion, two hundred million, three hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 827 14752519 12200333213