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12211150213 = 21841559093
BaseRepresentation
bin10110101111101011…
…10101110110000101
31011112000102200222201
423113311311312011
5200002023301323
65335411154501
7611414031013
oct132765656605
934460380881
1012211150213
1151a696a989
1224495a5a31
1311c7b24092
1483baa38b3
154b707d8ad
hex2d7d75d85

12211150213 has 4 divisors (see below), whose sum is σ = 12211731148. Its totient is φ = 12210569280.

The previous prime is 12211150169. The next prime is 12211150241. The reversal of 12211150213 is 31205111221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 628655329 + 11582494884 = 25073^2 + 107622^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211150213 - 221 = 12209053061 is a prime.

It is a super-2 number, since 2×122111502132 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211150283) 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, 257706 + ... + 301387.

It is an arithmetic number, because the mean of its divisors is an integer number (3052932787).

Almost surely, 212211150213 is an apocalyptic number.

It is an amenable number.

12211150213 is a deficient number, since it is larger than the sum of its proper divisors (580935).

12211150213 is an equidigital number, since it uses as much as digits as its factorization.

12211150213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580934.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 12211150213 its reverse (31205111221), we get a palindrome (43416261434).

The spelling of 12211150213 in words is "twelve billion, two hundred eleven million, one hundred fifty thousand, two hundred thirteen".

Divisors: 1 21841 559093 12211150213