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212032211321 = 754764186389
BaseRepresentation
bin1100010101111000011…
…0101100100101111001
3202021021220000100110202
43011132012230211321
511433220221230241
6241223430051545
721214233026210
oct3053606544571
9667256010422
10212032211321
1181a167236a7
12351151a9bb5
1316cc1051348
14a3960c6077
1557ae958d9b
hex315e1ac979

212032211321 has 16 divisors (see below), whose sum is σ = 243147073920. Its totient is φ = 181124536320.

The previous prime is 212032211299. The next prime is 212032211353. The reversal of 212032211321 is 123112230212.

It is not a de Polignac number, because 212032211321 - 222 = 212028017017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212032211293 and 212032211302.

It is not an unprimeable number, because it can be changed into a prime (212032213321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2411195 + ... + 2497583.

It is an arithmetic number, because the mean of its divisors is an integer number (15196692120).

Almost surely, 2212032211321 is an apocalyptic number.

It is an amenable number.

212032211321 is a deficient number, since it is larger than the sum of its proper divisors (31114862599).

212032211321 is an equidigital number, since it uses as much as digits as its factorization.

212032211321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87584.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212032211321 its reverse (123112230212), we get a palindrome (335144441533).

The spelling of 212032211321 in words is "two hundred twelve billion, thirty-two million, two hundred eleven thousand, three hundred twenty-one".

Divisors: 1 7 547 641 3829 4487 86389 350627 604723 2454389 47254783 55375349 330783481 387627443 30290315903 212032211321